Fix release script

Author: yoannchaudet

.github/workflows/publish-gem.yml

@@ -17,6 +17,6 @@ jobs:
       - name: Build gem
         run: |
           gem build github-pages.gemspec
-      - name: Publish
+      - name: Publish gem
         run: |
-          gem push github-pages.gem --key ${{ secrets.PAGES_GEM_PUBLISH }}
+          gem push github-pages-*.gem --key ${{ secrets.PAGES_GEM_PUBLISH }}