ci: use non-deprecated ruby/setup-ruby@v1 action

Author: jpgrayson

.github/workflows/publish.yml

@@ -17,9 +17,9 @@ jobs:
           hugo-version: '0.111.3'
 
       - name: Setup Ruby
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.3'
 
       - name: Install asciidoctor
         run: |