Exclude the Rails 7.2 and Ruby 4.0 combo

Author: brendon

.github/workflows/main.yml

@@ -30,18 +30,8 @@ jobs:
           - postgresql
           - sqlite
         exclude:
-          - rails: '7.0'
-            ruby: '3.1'
-          - rails: '7.0'
-            ruby: '3.2'
-          - rails: '7.0'
-            ruby: '3.3'
           - rails: '7.2'
-            ruby: '3.0'
-          - rails: '8.0'
-            ruby: '3.0'
-          - rails: '8.0'
-            ruby: '3.1'
+            ruby: '4.0'
     env:
       DB: ${{ matrix.db }}
       RAILS_VERSION: ${{ matrix.rails }}