Only support latest 3 Ruby + Rails minors

Author: radar

Diff for: .github/workflows/build.yml

@@ -16,44 +16,19 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - 3.1
-          - '3.0'
-          - 2.7
-          - 2.6
-          - 2.5
-          # - jruby-9.2.19.0
-          # - jruby-9.3.1.0
+          - '3.3'
+          - '3.2'
+          - '3.1'
         rails:
-          - '~> 5.1.0'
-          - '~> 5.2.0'
-          - '~> 6.0.0'
-          - '~> 6.1.0'
           - '~> 7.0.0'
+          - '~> 7.1.0'
+          - '~> 7.2.0'
           - 'edge'
-        exclude:
-        # Rails edge is now 7.x and requires ruby 2.7
-        - rails: 'edge'
-          ruby: 2.6
-        - rails: 'edge'
-          ruby: 2.5
-        - rails: '~> 7.0.0'
-          ruby: 2.6
-        - rails: '~> 7.0.0'
-          ruby: 2.5
-        # Legacy Rails with newer rubies
-        - rails: '~> 5.1.0'
-          ruby: '3.0'
-        - rails: '~> 5.2.0'
-          ruby: '3.0'
-        - rails: '~> 5.1.0'
-          ruby: 3.1
-        - rails: '~> 5.2.0'
-          ruby: 3.1
 
     env:
       RAILS: ${{ matrix.rails }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}