chore(deps): update ruby/setup-ruby action to v1.306.0 (#365)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/jekyll-build.yml

@@ -180,7 +180,7 @@ jobs:
           ls -Ra
 
       - name: Setup Ruby
-        uses: ruby/setup-ruby@0cb964fd540e0a24c900370abf38a33466142735  # v1.305.0
+        uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f  # v1.306.0
         with:
           ruby-version: '3.3'