Update github-pages.yaml

Author: Krinkle

.github/workflows/github-pages.yaml

@@ -23,7 +23,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.0
+          ruby-version: '3.2'
           bundler-cache: true
           # If your site is in a subdirectory
           # working-directory: ./