Fix CI warnings reported by zizmor (#9331)

.github/workflows/dockerhub-description.yml

@@ -26,7 +26,7 @@ jobs:
         persist-credentials: false
 
     - name: Update repo description
-      uses: peter-evans/dockerhub-description@1b9a80c056b620d92cedb9d9b5a223409c68ddfa
+      uses: peter-evans/dockerhub-description@1b9a80c056b620d92cedb9d9b5a223409c68ddfa # v5.0.0
       with:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}

.github/workflows/jekyll-gh-pages.yml

@@ -33,7 +33,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Setup Ruby
-        uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b
+        uses: ruby/setup-ruby@a0102e0972be65f351c307e2d64b9314a57c8073 # v1.324.0
         with:
           ruby-version: '3.4.9'
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically