Build/Test Tools: Update third-party GitHub Actions.

This updates the following third-party actions to their latest versions:

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

The latest versions of these actions fix the warnings that are being triggered after the deprecation of `set-output` and `save-state` on GitHub Actions.

For more information, see https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/.

See #56820.

git-svn-id: https://develop.svn.wordpress.org/trunk@54511 602fd350-edb4-49c9-b593-d223f7449a82

.github/workflows/javascript-tests.yml

@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3.0.2
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
 
       - name: Log debug information
         run: |
@@ -67,7 +67,7 @@ jobs:
           svn --version
 
       - name: Install NodeJS
-        uses: actions/setup-node@969bd2663942d722d85b6a8626225850c2f7be4b # v3.5.0
+        uses: actions/setup-node@8c91899e586c5b171469028077307d293428b516 # v3.5.1
         with:
           node-version-file: '.nvmrc'
           cache: npm
@@ -114,7 +114,7 @@ jobs:
 
     steps:
       - name: Dispatch workflow run
-        uses: actions/github-script@7dff1a87643417cf3b95bb10b29f4c4bc60d8ebd # v6.3.1
+        uses: actions/github-script@100527700e8b29ca817ac0e0dfbfc5e8ff38edda # v6.3.2
         with:
           retries: 2
           retry-exempt-status-codes: 418