Add remaining supported Ruby/Rails combinations :/

Author: JonRowe

.github/workflows/ci.yml

@@ -71,6 +71,81 @@ jobs:
            env:
              RAILS_VERSION: '~> 5.2.0'
 
+         # Rails 5.1 Builds >= 2.2.2
+         - ruby: 2.7
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+         - ruby: 2.6
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+         - ruby: 2.5
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+         - ruby: 2.4
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 5.1.0'
+
+         # Rails 5.0 Builds >= 2.2.2
+         - ruby: 2.7
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+         - ruby: 2.6
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+         - ruby: 2.5
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+         - ruby: 2.4
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 5.0.0'
+
+         # Rails 4.2 Builds >= 1.9.3
+         - ruby: 2.4
+           env:
+             RAILS_VERSION: '~> 4.2.0'
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 4.2.0'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 4.2.0'
+
+         # Rails 4.1 Builds >= 1.9.3, < 2.4
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 4.1.0'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 4.1.0'
+
+         # Rails 4.0 Builds >= 1.8.11, < 2.4
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 4.0.4'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 4.0.4'
+
+         # Rails 3.2 Builds < 2.4
+         - ruby: 2.3
+           env:
+             RAILS_VERSION: '~> 3.2.17'
+         - ruby: 2.2
+           env:
+             RAILS_VERSION: '~> 3.2.17'
+
     env: ${{ matrix.env }}
     steps:
       - uses: actions/checkout@v3