MNT: Use hash for Action workflow versions and update if needed

.github/dependabot.yml

@@ -0,0 +1,15 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: ".github/workflows" # Location of package manifests
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"

.github/workflows/ci_workflows.yml

@@ -44,11 +44,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
         with:
           python-version: ${{ matrix.python }}
       - name: Install language-pack-de and tzdata
@@ -62,7 +62,7 @@ jobs:
         run: tox ${{ matrix.toxargs }} -e ${{ matrix.toxenv }} -- ${{ matrix.toxposargs }}
       - name: Upload coverage to codecov
         if: ${{ contains(matrix.toxenv,'-cov') }}
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673  # v4.5.0
         with:
           file: ./coverage.xml
 
@@ -85,11 +85,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
         with:
           python-version: ${{ matrix.python }}
       - name: Install language-pack-de and tzdata

.github/workflows/pypi-package.yml

@@ -10,9 +10,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
       with:
         python-version: "3.x"
     - name: Install pypa/build
@@ -24,7 +24,7 @@ jobs:
     - name: Build a binary wheel and a source tarball
       run: python3 -m build
     - name: Store the distribution packages
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874  # v4.4.0
       with:
         name: python-package-distributions
         path: dist/
@@ -44,9 +44,9 @@ jobs:
 
     steps:
     - name: Download all the dists
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
       with:
         name: python-package-distributions
         path: dist/
     - name: Publish distribution 📦 to PyPI
-      uses: pypa/gh-action-pypi-publish@release/v1
+      uses: pypa/gh-action-pypi-publish@897895f1e160c830e369f9779632ebc134688e1b  # v1.10.2