Update ruby/setup-ruby action to v1.209.0 (#1799)

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: 18
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@868b3f088412f139260f27f5b148179b9dd6b008 # v1.208.0
+        uses: ruby/setup-ruby@7a6302104fbeea3c6aaa43b1b91e08f7d6623279 # v1.209.0
         with:
           ruby-version: 3.2
 

.github/workflows/site-build.yml

@@ -24,7 +24,7 @@ jobs:
           node-version: 18
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@868b3f088412f139260f27f5b148179b9dd6b008 # v1.208.0
+        uses: ruby/setup-ruby@7a6302104fbeea3c6aaa43b1b91e08f7d6623279 # v1.209.0
         with:
           ruby-version: 3.2