build: inline external Github Actions to unblock CI (#12241)

* build: inline cached-dependencies to unblock CI

* Run E2E on pull_request on;y

* Inline all external actions

* Checkout needed for internal actions

Also fixes pre-commit

* Add missing files

.github/actions/file-changes-action/src/UtilsHelper.ts

@@ -0,0 +1,59 @@
+import {setFailed} from '@actions/core'
+import {ActionError} from 'typings/ActionError'
+/**
+ * @function getErrorString
+ * @param name name of error
+ * @param status status code of error
+ * @param from name of function that error is thrown from
+ * @param message error message
+ * @param error error object to stringify and attach
+ */
+export function getErrorString(
+  name: string,
+  status = 500,
+  from: string,
+  message: string,
+  error: any = ''
+): string {
+  try {
+    const test = JSON.stringify(
+      {
+        error: `${status}/${name}`,
+        from,
+        message,
+        payload: error
+      } as ActionError,
+      null,
+      2
+    )
+    return test
+  } catch (error_) {
+    setFailed(`Error throwing error.\n ${JSON.stringify(error_.message)}`)
+    throw new Error(
+      JSON.stringify({name: '500/undefined', message: 'Error throwing error.'})
+    )
+  }
+}
+/**
+ * @function errorMessage
+ * @param f name of function
+ * @param e error object
+ * @returns error message for function
+ */
+export function errorMessage(f: string, e: Error): string {
+  const error = JSON.stringify(e, null, 2)
+  let ret
+  if (f.includes('getInputs')) ret = `There was an getting action inputs.`
+  if (f.includes('inferInput'))
+    ret = `There was an issue inferring inputs to the action.`
+  if (f.includes('initClient'))
+    ret = `There was an issue initilizing the github client.`
+  if (f.includes('getChangedFiles'))
+    ret = `There was an issue getting changed files from Github.`
+  if (f.includes('sortChangedFiles'))
+    ret = `There was an issue sorting changed files from Github.`
+  if (f.includes('writeFiles')) ret = `There was an issue writing output files.`
+  if (f.includes('writeOutput'))
+    ret = `There was an issue writing output variables.`
+  return `${ret}\nException: ${error}`
+}