ci: move tests to shared action

Author: simonmellor

.github/workflows/test.yml .github/workflows/ruby-test.yml

@@ -4,7 +4,6 @@ on: [pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
-
     services:
       redis:
         image: redis
@@ -15,10 +14,6 @@ jobs:
           --health-interval 10s
           --health-timeout 5s
           --health-retries 5
-
     steps:
-      - uses: actions/checkout@v4
-      - uses: ruby/setup-ruby@v1
-        with:
-          bundler-cache: true
-      - run: bundle exec rspec
+      - name: Test
+        uses: Fatsoma/reusable-actions/.github/workflows/ruby-test.yml@v1