Update ruby/setup-ruby action to v1.242.0 (#1854)

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@bb0f760b6c925183520ee0bcc9c4a432a7c8c3c6 # v1.241.0
+        uses: ruby/setup-ruby@cb0fda56a307b8c78d38320cd40d9eb22a3bf04e # v1.242.0
         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@bb0f760b6c925183520ee0bcc9c4a432a7c8c3c6 # v1.241.0
+        uses: ruby/setup-ruby@cb0fda56a307b8c78d38320cd40d9eb22a3bf04e # v1.242.0
         with:
           ruby-version: 3.2