[CI] Ruby 3.0 will no longer be supported by new versions of Rails

Author: amatsuda

.github/workflows/ruby.yml

@@ -16,7 +16,6 @@ jobs:
           - '3.3'
           - '3.2'
           - '3.1'
-          - '3.0'
         rails-version:
           - '8.0'
           - '7.2'
@@ -28,6 +27,12 @@ jobs:
           - ruby-version: '3.1'
             rails-version: '6.0'
 
+          - ruby-version: '3.0'
+            rails-version: '7.1'
+          - ruby-version: '3.0'
+            rails-version: '7.0'
+          - ruby-version: '3.0'
+            rails-version: '6.1'
           - ruby-version: '3.0'
             rails-version: '6.0'
 
@@ -57,8 +62,6 @@ jobs:
             rails-version: '6.1'
 
         exclude:
-          - ruby-version: '3.0'
-            rails-version: '7.2'
 
     env:
       RUBY_VERSION: ${{ matrix.ruby-version }}