chore(deps): update ruby docker tag to v3.4.8 (#205)

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

Author: renovate[bot]

.github/workflows/config.yml

@@ -5,7 +5,7 @@ jobs:
     name: Prekin CI
     runs-on: ubuntu-latest
     container:
-      image: ruby:3.4.7
+      image: ruby:3.4.8
       env:
         BUNDLE_PATH: vendor/bundle
     steps: