chore: update GitHub Actions to use commit hashes (#4659)

.github/workflows/localize.yml

@@ -23,10 +23,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8  # v6.0.1
 
       - name: Install Python 3.9
-        uses: actions/setup-python@v6  # https://github.com/actions/setup-python
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405  # v6.2.0
         with:
           python-version: '3.9'
 
@@ -83,7 +83,7 @@ jobs:
         run: echo "date=$(date +'%Y-%m-%d')" >> "${GITHUB_OUTPUT}"
 
       - name: Create/Update Pull Request
-        uses: peter-evans/create-pull-request@v8
+        uses: peter-evans/create-pull-request@c0f553fe549906ede9cf27b5156039d195d2ece0  # v8.1.0
         with:
           add-paths: |
             locale/*.po