ci: Update GitHub workflows

Author: blocknotes

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ['3.0', '3.1', '3.2']
+        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4', '4.0']
 
     steps:
       - name: Checkout repository
@@ -33,7 +33,7 @@ jobs:
         run: cd spec/dummy_rails && bundle exec rails db:migrate
 
       - name: Run tests
-        env:
-          RUBYOPT: '-rbundler/setup -rrbs/test/setup'
-          RBS_TEST_TARGET: 'TinyAdmin::*'
+        #env:
+        #  RUBYOPT: '-rbundler/setup -rrbs/test/setup'
+        #  RBS_TEST_TARGET: 'TinyAdmin::*'
         run: bin/rspec --profile