Update ruby/setup-ruby action to v1.277.0

Author: renovate[bot]

.github/workflows/build-site.yml

@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 1
           persist-credentials: false
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ae195bbe749a7cef685ac729197124a48305c1cb # v1.276.0
+        uses: ruby/setup-ruby@8a836efbcebe5de0fe86b48a775b7a31b5c70c93 # v1.277.0
         with:
           bundler-cache: true
       - name: Run Jekyll