Add Rails 7.1 builds

Author: JonRowe

.github/workflows/ci.yml

@@ -36,6 +36,34 @@ jobs:
       fail-fast: false
       matrix:
        include:
+         # Edge Rails (?) builds >= 2.7
+         - ruby: 3.2
+           env:
+             RAILS_VERSION: 'main'
+         - ruby: 3.1
+           env:
+             RAILS_VERSION: 'main'
+         - ruby: '3.0'
+           env:
+             RAILS_VERSION: 'main'
+         - ruby: 2.7
+           env:
+             RAILS_VERSION: 'main'
+
+         # Rails 7.1 builds >= 2.7
+         - ruby: 3.2
+           env:
+             RAILS_VERSION: '~> 7.1.0'
+         - ruby: 3.1
+           env:
+             RAILS_VERSION: '~> 7.1.0'
+         - ruby: '3.0'
+           env:
+             RAILS_VERSION: '~> 7.1.0'
+         - ruby: 2.7
+           env:
+             RAILS_VERSION: '~> 7.1.0'
+
          # Rails 7.0 builds >= 2.7
          - ruby: 3.2
            env: