Update ruby/setup-ruby action to v1.271.0 (#1957)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pr-build.yml

@@ -24,7 +24,7 @@ jobs:
           node-version: 24.12.0
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
+        uses: ruby/setup-ruby@f8d7259c7a66155a7c4a157a1a10ca601f186594 # v1.271.0
         with:
           ruby-version: 3.2
 

.github/workflows/site-build.yml

@@ -24,7 +24,7 @@ jobs:
           node-version: 24.12.0
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
+        uses: ruby/setup-ruby@f8d7259c7a66155a7c4a157a1a10ca601f186594 # v1.271.0
         with:
           ruby-version: 3.2