Update ruby/setup-ruby action to v1.296.0 (#2008)

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: 24.14.1
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@319994f95fa847cf3fb3cd3dbe89f6dcde9f178f # v1.295.0
+        uses: ruby/setup-ruby@eab2afb99481ca09a4e91171a8e0aee0e89bfedd # v1.296.0
         with:
           ruby-version: 3.4.9
 

.github/workflows/site-build.yml

@@ -24,7 +24,7 @@ jobs:
           node-version: 24.14.1
 
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@319994f95fa847cf3fb3cd3dbe89f6dcde9f178f # v1.295.0
+        uses: ruby/setup-ruby@eab2afb99481ca09a4e91171a8e0aee0e89bfedd # v1.296.0
         with:
           ruby-version: 3.4.9