[CI] Adds QUIET:true, drops Ruby 2.7 in tests

fixup

Author: picandocodigo

.github/workflows/7x_tests.yml

@@ -12,10 +12,11 @@ jobs:
     env:
       TEST_ES_SERVER: http://localhost:9200
       RAILS_VERSIONS: '6.0,7.0'
+      QUIET: true
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['2.7', '3.0']
+        ruby: ['3.0']
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4