CI: Update CrowdIn Fetch workflow to use pinned versions

.github/workflows/fetch_crowdin_translations.yml

@@ -10,12 +10,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
         with:
           fetch-depth: 0
 
       - name: Install Qt ≥ 6.8
-        uses: jurplel/install-qt-action@v3
+        uses: jurplel/install-qt-action@d325aaf2a8baeeda41ad0b5d39f84a6af9bcf005
         with:
           aqtversion: "==3.1.*"
           version: "6.8.3"
@@ -24,7 +24,7 @@ jobs:
           arch: "linux_gcc_64"
 
       - name: Setup Python & dependencies
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c
         with:
           python-version: "3.x"
       - name: Install Python packages
@@ -56,7 +56,7 @@ jobs:
           git push origin update-crowdin-translations --force
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e
         with:
           branch: update-crowdin-translations
           title: "Update translations from Crowdin"