fix(starters): update react monorepo to ^16.8.2 (gatsbyjs#11781)

This PR contains the following updates:

| Package | Type | Update | Change | References |
|---|---|---|---|---|
| react | dependencies | patch | `^16.8.1` -> `^16.8.2` | [homepage](https://reactjs.org/), [source](https://github.com/facebook/react) |
| react-dom | dependencies | patch | `^16.8.1` -> `^16.8.2` | [homepage](https://reactjs.org/), [source](https://github.com/facebook/react) |

---

### Release Notes

<details>
<summary>facebook/react</summary>

### [`v16.8.2`](https://github.com/facebook/react/blob/master/CHANGELOG.md#&#8203;1682-February-14-2019)

[Compare Source](https://github.com/facebook/react/compare/v16.8.1...v16.8.2)

##### React DOM

-   Fix `ReactDOM.render` being ignored inside `useEffect`. ([@&gatsbyjs#8203;gaearon](https://github.com/gaearon) in [#&gatsbyjs#8203;14799](https://github.com/facebook/react/pull/14799))
-   Fix a crash when unmounting empty portals. ([@&gatsbyjs#8203;gaearon](https://github.com/gaearon) in [#&gatsbyjs#8203;14820](https://github.com/facebook/react/pull/14820))
-   Fix `useImperativeHandle` to work correctly when no deps are specified. ([@&gatsbyjs#8203;gaearon](https://github.com/gaearon) in [#&gatsbyjs#8203;14801](https://github.com/facebook/react/pull/14801))
-   Fix `crossOrigin` attribute to work in SVG `image` elements. ([@&gatsbyjs#8203;aweary](https://github.com/aweary) in [#&gatsbyjs#8203;14832](https://github.com/facebook/react/pull/14832))
-   Fix a false positive warning when using Suspense with Hooks. ([@&gatsbyjs#8203;gaearon](https://github.com/gaearon) in [#&gatsbyjs#8203;14821](https://github.com/facebook/react/pull/14821))

##### React Test Utils and React Test Renderer

-   Include component stack into the `act()` warning. ([@&gatsbyjs#8203;threepointone](https://github.com/threepointone) in [#&gatsbyjs#8203;14855](https://github.com/facebook/react/pull/14855))

</details>

---

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---

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package.json

@@ -14,8 +14,8 @@
     "gatsby-source-filesystem": "^2.0.20",
     "gatsby-transformer-sharp": "^2.1.13",
     "prop-types": "^15.7.2",
-    "react": "^16.8.1",
-    "react-dom": "^16.8.1",
+    "react": "^16.8.2",
+    "react-dom": "^16.8.2",
     "react-helmet": "^5.2.0"
   },
   "keywords": [

yarn.lock

@@ -7326,17 +7326,17 @@ node-libs-browser@^2.0.0:
     vm-browserify "0.0.4"
 
 node-pre-gyp@^0.10.0:
-  version "0.10.3"
-  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.10.3.tgz#3070040716afdc778747b61b6887bf78880b80fc"
-  integrity sha512-d1xFs+C/IPS8Id0qPTZ4bUT8wWryfR/OzzAFxweG+uLN85oPzyo2Iw6bVlLQ/JOdgNonXLCoRyqDzDWq4iw72A==
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.10.0.tgz#6e4ef5bb5c5203c6552448828c852c40111aac46"
+  integrity sha512-G7kEonQLRbcA/mOoFoxvlMrw6Q6dPf92+t/l0DFSMuSlDoWaI9JWIyPwK0jyE1bph//CUEL65/Fz1m2vJbmjQQ==
   dependencies:
     detect-libc "^1.0.2"
     mkdirp "^0.5.1"
-    needle "^2.2.1"
+    needle "^2.2.0"
     nopt "^4.0.1"
     npm-packlist "^1.1.6"
     npmlog "^4.0.2"
-    rc "^1.2.7"
+    rc "^1.1.7"
     rimraf "^2.6.1"
     semver "^5.3.0"
     tar "^4"
@@ -7411,9 +7411,9 @@ normalize-url@^3.0.0:
   integrity sha512-U+JJi7duF1o+u2pynbp2zXDW2/PADgC30f0GsHZtRh+HOcXHnw137TrNlyxxRvWW5fjKd3bcLHPxofWuCjaeZg==
 
 npm-bundled@^1.0.1:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.5.tgz#3c1732b7ba936b3a10325aef616467c0ccbcc979"
-  integrity sha512-m/e6jgWu8/v5niCUKQi9qQl8QdeEduFA96xHDDzFGqly0OOjI7c+60KM/2sppfnUU9JJagf+zs+yGhqSOFj71g==
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.3.tgz#7e71703d973af3370a9591bafe3a63aca0be2308"
+  integrity sha512-ByQ3oJ/5ETLyglU2+8dBObvhfWXX8dtPZDMePCahptliFX2iIuhyEszyFk401PZUNQH20vvdW5MLjJxkwU80Ow==
 
 npm-conf@^1.1.0:
   version "1.1.3"
@@ -7424,9 +7424,9 @@ npm-conf@^1.1.0:
     pify "^3.0.0"
 
 npm-packlist@^1.1.6:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.2.0.tgz#55a60e793e272f00862c7089274439a4cc31fc7f"
-  integrity sha512-7Mni4Z8Xkx0/oegoqlcao/JpPCPEMtUvsmB0q7mgvlMinykJLSRTYuFqoQLYgGY8biuxIeiHO+QNJKbCfljewQ==
+  version "1.1.10"
+  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.1.10.tgz#1039db9e985727e464df066f4cf0ab6ef85c398a"
+  integrity sha512-AQC0Dyhzn4EiYEfIUjCdMl0JJ61I2ER9ukf/sLxJUcZHfo+VyEfz2rMJgLZSS1v30OxPQe1cN0LZA1xbcaVfWA==
   dependencies:
     ignore-walk "^3.0.1"
     npm-bundled "^1.0.1"
@@ -8828,15 +8828,15 @@ react-dev-utils@^4.2.1:
     strip-ansi "3.0.1"
     text-table "0.2.0"
 
-react-dom@^16.8.1:
-  version "16.8.1"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.1.tgz#ec860f98853d09d39bafd3a6f1e12389d283dbb4"
-  integrity sha512-N74IZUrPt6UiDjXaO7UbDDFXeUXnVhZzeRLy/6iqqN1ipfjrhR60Bp5NuBK+rv3GMdqdIuwIl22u1SYwf330bg==
+react-dom@^16.8.2:
+  version "16.8.2"
+  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.2.tgz#7c8a69545dd554d45d66442230ba04a6a0a3c3d3"
+  integrity sha512-cPGfgFfwi+VCZjk73buu14pYkYBR1b/SRMSYqkLDdhSEHnSwcuYTPu6/Bh6ZphJFIk80XLvbSe2azfcRzNF+Xg==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.1"
+    scheduler "^0.13.2"
 
 react-error-overlay@^3.0.0:
   version "3.0.0"
@@ -8886,15 +8886,15 @@ react-side-effect@^1.1.0:
     exenv "^1.2.1"
     shallowequal "^1.0.1"
 
-react@^16.8.1:
-  version "16.8.1"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.8.1.tgz#ae11831f6cb2a05d58603a976afc8a558e852c4a"
-  integrity sha512-wLw5CFGPdo7p/AgteFz7GblI2JPOos0+biSoxf1FPsGxWQZdN/pj6oToJs1crn61DL3Ln7mN86uZ4j74p31ELQ==
+react@^16.8.2:
+  version "16.8.2"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.8.2.tgz#83064596feaa98d9c2857c4deae1848b542c9c0c"
+  integrity sha512-aB2ctx9uQ9vo09HVknqv3DGRpI7OIGJhCx3Bt0QqoRluEjHSaObJl+nG12GDdYH6sTgE7YiPJ6ZUyMx9kICdXw==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.1"
+    scheduler "^0.13.2"
 
 read-chunk@^1.0.1:
   version "1.0.1"
@@ -9361,10 +9361,10 @@ sax@>=0.6.0, sax@^1.2.4, sax@~1.2.1, sax@~1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
-scheduler@^0.13.1:
-  version "0.13.1"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.1.tgz#1a217df1bfaabaf4f1b92a9127d5d732d85a9591"
-  integrity sha512-VJKOkiKIN2/6NOoexuypwSrybx13MY7NSy9RNt8wPvZDMRT1CW6qlpF5jXRToXNHz3uWzbm2elNpZfXfGPqP9A==
+scheduler@^0.13.2:
+  version "0.13.2"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.2.tgz#969eaee2764a51d2e97b20a60963b2546beff8fa"
+  integrity sha512-qK5P8tHS7vdEMCW5IPyt8v9MJOHqTrOUgPXib7tqm9vh834ibBX5BNhwkplX/0iOzHW5sXyluehYfS9yrkz9+w==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"