Explicitly import crypto (#1842)

* Explicitly import `crypto`

* Add release notes for 1.11.1

* Fix crypto mock in test

* Fix `crypto` mock

* Lint

src/internal/cacheUtils.ts

@@ -2,6 +2,7 @@ import * as core from '@actions/core'
 import * as exec from '@actions/exec'
 import * as glob from '@actions/glob'
 import * as io from '@actions/io'
+import * as crypto from 'crypto'
 import * as fs from 'fs'
 import * as path from 'path'
 import * as semver from 'semver'