Update ruby/setup-ruby action to v1.248.0 (#1878)

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@472790540115ce5bd69d399a020189a8c87d641f # v1.247.0
+        uses: ruby/setup-ruby@a9bfc2ecf3dd40734a9418f89a7e9d484c32b990 # v1.248.0
         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@472790540115ce5bd69d399a020189a8c87d641f # v1.247.0
+        uses: ruby/setup-ruby@a9bfc2ecf3dd40734a9418f89a7e9d484c32b990 # v1.248.0
         with:
           ruby-version: 3.2