Merge pull request #2771 from relm923/relm/upgrade_ts_eslint

[eslint-config] Upgrade @typescript-eslint/* to 4.28.0

Author: octogonz

apps/api-extractor/package.json

@@ -45,7 +45,7 @@
     "resolve": "~1.17.0",
     "semver": "~7.3.0",
     "source-map": "~0.6.1",
-    "typescript": "~4.3.2"
+    "typescript": "~4.3.5"
   },
   "devDependencies": {
     "@rushstack/eslint-config": "workspace:*",

apps/heft/src/cli/actions/CustomAction.ts

@@ -31,6 +31,7 @@ export interface ICustomActionParameterStringList extends ICustomActionParameter
 }
 
 /** @beta */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 export interface ICustomActionParameterBase<TParameter extends CustomActionParameterType> {
   kind: 'flag' | 'integer' | 'string' | 'stringList'; // TODO: Add "choice"