chore(client): ts migrate frame runner (#43798)

* Preserve history commit

* feat: Typescript migration frame-runner

* fix: types for expected/actual

Co-authored-by: moT01 <20648924+moT01@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

client/webpack-workers.js

@@ -11,7 +11,7 @@ module.exports = (env = {}) => {
     cache: __DEV__ ? { type: 'filesystem' } : false,
     mode: __DEV__ ? 'development' : 'production',
     entry: {
-      'frame-runner': './src/client/frame-runner.js',
+      'frame-runner': './src/client/frame-runner.ts',
       'sass-compile': './src/client/workers/sass-compile.ts',
       'test-evaluator': './src/client/workers/test-evaluator.ts'
     },