refactor: suppress Zizmor versioning errors (unpinned-uses)

Signed-off-by: Lucas Larson <LucasLarson@riseup.net>

Author: LucasLarson

.github/workflows/changelog.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@v1 # zizmor: ignore[unpinned-uses]
         with:
           ruby-version: 3.4.7
       - name: Install `github_changelog_generator`
@@ -107,7 +107,7 @@ jobs:
           command git commit --verbose --message='update changelog' ||
             exit 0
       - name: Push changes
-        uses: ad-m/github-push-action@v1.0.0
+        uses: ad-m/github-push-action@v1.0.0 # zizmor: ignore[unpinned-uses]
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           branch: ${{ github.ref }}