spec.yml in influxdb-rails-1.0.1

- old
+ new

@@ -9,13 +9,14 @@
 jobs:
   spec:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '2.5', '2.6', '2.7', 'head' ]
+        ruby: [ '2.5', '2.6', '2.7', '3.0', 'head' ]
         rails: [ 'gemfiles/Gemfile.rails-6.1.x', 'gemfiles/Gemfile.rails-6.0.x', 'gemfiles/Gemfile.rails-5.2.x']
         exclude:
           - { ruby: '2.7', rails: 'gemfiles/Gemfile.rails-5.2.x' }
+          - { ruby: '3.0', rails: 'gemfiles/Gemfile.rails-5.2.x' }
           - { ruby: 'head', rails: 'gemfiles/Gemfile.rails-5.2.x' }
           - { ruby: '2.5', rails: 'gemfiles/Gemfile.rails-6.0.x' }
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.ruby == 'debug' }}
     env:
       BUNDLE_GEMFILE: ${{ matrix.rails }}