fix: upgrade react-apollo from 3.1.4 to 3.1.5

Snyk has created this PR to upgrade react-apollo from 3.1.4 to 3.1.5.

See this package in NPM:
https://www.npmjs.com/package/react-apollo

See this project in Snyk:
https://app.snyk.io/org/coderbyheart/project/01f154c3-c0c6-4eb7-9163-20f988358def?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -68,7 +68,7 @@
     "graphql": "^15.0.0",
     "graphql-tag": "^2.10.3",
     "react": "^16.13.1",
-    "react-apollo": "^3.1.4",
+    "react-apollo": "^3.1.5",
     "react-dom": "^16.13.1",
     "react-feather": "^2.0.4",
     "showdown": "^1.9.1",