Update ruby/setup-ruby action to v1.290.0 (#1999)

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: 24.14.0
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@19a43a6a2428d455dbd1b85344698725179c9d8c # v1.289.0
+        uses: ruby/setup-ruby@6ca151fd1bfcfd6fe0c4eb6837eb0584d0134a0c # v1.290.0
         with:
           ruby-version: 3.4.8
 

.github/workflows/site-build.yml

@@ -24,7 +24,7 @@ jobs:
           node-version: 24.14.0
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@19a43a6a2428d455dbd1b85344698725179c9d8c # v1.289.0
+        uses: ruby/setup-ruby@6ca151fd1bfcfd6fe0c4eb6837eb0584d0134a0c # v1.290.0
         with:
           ruby-version: 3.4.8