Build/Test Tools: Update 3rd party GitHub Actions.

This updates the following GitHub Actions to the latest versions:

- `actions/checkout`
- `actions/cache`
- `actions/github-script`
- `actions/setup-node`
- `codecov/codecov-action`
- `shivammathur/setup-php`
- `slackapi/slack-github-action`

See #55652.

git-svn-id: https://develop.svn.wordpress.org/trunk@53581 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/javascript-tests.yml

@@ -56,7 +56,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2.4.0
+        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3.0.2
 
       - name: Log debug information
         run: |
@@ -66,7 +66,7 @@ jobs:
           svn --version
 
       - name: Install NodeJS
-        uses: actions/setup-node@5b52f097d36d4b0b2f94ed6de710023fbb8b2236 # v3.1.0
+        uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3.3.0
         with:
           node-version-file: '.nvmrc'
           cache: npm