Add Rails 7.2 to CI matrix

Author: pirj

.github/workflows/ci.yml

@@ -36,14 +36,25 @@ jobs:
       fail-fast: false
       matrix:
        include:
-         # Edge Rails (?) builds >= 2.7
+         # Edge Rails (?) builds >= 3.1
          - ruby: 3.2
            env:
              RAILS_VERSION: 'main'
          - ruby: 3.1
            env:
              RAILS_VERSION: 'main'
 
+         # Rails 7.2 builds >= 3.1
+         - ruby: 3.3
+           env:
+             RAILS_VERSION: '~> 7.2.0'
+         - ruby: 3.2
+           env:
+             RAILS_VERSION: '~> 7.2.0'
+         - ruby: 3.1
+           env:
+             RAILS_VERSION: '~> 7.2.0'
+
          # Rails 7.1 builds >= 2.7
          - ruby: 3.2
            env: