Bump @babel/plugin-proposal-class-properties from 7.12.1 to 7.14.5

Bumps [@babel/plugin-proposal-class-properties](https://github.com/babel/babel/tree/HEAD/packages/babel-plugin-proposal-class-properties) from 7.12.1 to 7.14.5.
- [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/v7.14.5/packages/babel-plugin-proposal-class-properties)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -44,7 +44,7 @@
   "devDependencies": {
     "@babel/cli": "7.12.10",
     "@babel/core": "7.12.10",
-    "@babel/plugin-proposal-class-properties": "7.12.1",
+    "@babel/plugin-proposal-class-properties": "7.14.5",
     "@babel/polyfill": "7.12.1",
     "@babel/preset-env": "7.12.11",
     "@babel/preset-react": "7.12.10",