Bump @typescript-eslint/eslint-plugin from 4.28.3 to 4.28.4 (#652)

Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 4.28.3 to 4.28.4.
- [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/v4.28.4/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@typescript-eslint/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -290,7 +290,7 @@
 		"@types/node": "^15.12.5",
 		"@types/sinon": "^10.0.2",
 		"@types/vscode": "^1.57.1",
-		"@typescript-eslint/eslint-plugin": "^4.28.3",
+		"@typescript-eslint/eslint-plugin": "^4.28.4",
 		"@typescript-eslint/parser": "^4.28.3",
 		"chai": "^4.3.4",
 		"eslint": "^7.30.0",