chore(deps-dev): bump @babel/plugin-proposal-optional-chaining

Bumps [@babel/plugin-proposal-optional-chaining](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-proposal-optional-chaining) from 7.14.5 to 7.16.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.16.0/packages/babel-plugin-proposal-optional-chaining)

---
updated-dependencies:
- dependency-name: "@babel/plugin-proposal-optional-chaining"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -94,7 +94,7 @@
     "@babel/eslint-parser": "=7.16.3",
     "@babel/plugin-proposal-class-properties": "=7.16.0",
     "@babel/plugin-proposal-nullish-coalescing-operator": "=7.16.0",
-    "@babel/plugin-proposal-optional-chaining": "=7.14.5",
+    "@babel/plugin-proposal-optional-chaining": "=7.16.0",
     "@babel/plugin-transform-runtime": "=7.16.4",
     "@babel/preset-env": "=7.14.7",
     "@babel/preset-react": "=7.14.5",