Bump @typescript-eslint/eslint-plugin from 4.14.0 to 4.15.0

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 4.14.0 to 4.15.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v4.15.0/packages/eslint-plugin)

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

package.json

@@ -37,7 +37,7 @@
     "yarn": "^1.22.10"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^4.14.0",
+    "@typescript-eslint/eslint-plugin": "^4.15.0",
     "@typescript-eslint/parser": "^4.14.0",
     "eslint": "^7.19.0",
     "eslint-config-google": "^0.14.0"