Drop Ruby 2.5, Rails 5.2 (#438)

Author: olleolleolle

.github/workflows/ci.yml

@@ -25,51 +25,29 @@ jobs:
           - '3.0'
           - '2.7'
           - '2.6'
-          - '2.5'
         rails:
           - rails_7.2
           - rails_7.1
           - rails_7.0
           - rails_6.1
           - rails_6.0
-          - rails_5.2
 
         exclude:
-          - ruby: '2.5'
-            rails: 'rails_7.0'
-          - ruby: '2.5'
-            rails: 'rails_7.1'
-          - ruby: '2.5'
-            rails: 'rails_7.2'
-
           - ruby: '2.6'
             rails: 'rails_7.0'
           - ruby: '2.6'
             rails: 'rails_7.1'
           - ruby: '2.6'
             rails: 'rails_7.2'
 
-          - ruby: '2.7'
-            rails: 'rails_5.2'
           - ruby: '2.7'
             rails: 'rails_7.2'
 
-          - ruby: '3.0'
-            rails: 'rails_5.2'
           - ruby: '3.0'
             rails: 'rails_6.0'
           - ruby: '3.0'
             rails: 'rails_7.2'
 
-          - ruby: '3.1'
-            rails: 'rails_5.2'
-
-          - ruby: '3.2'
-            rails: 'rails_5.2'
-
-          - ruby: '3.3'
-            rails: 'rails_5.2'
-
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.rails }}.gemfile
 
@@ -103,51 +81,29 @@ jobs:
           - '3.0'
           - '2.7'
           - '2.6'
-          - '2.5'
         rails:
           - rails_7.2
           - rails_7.1
           - rails_7.0
           - rails_6.1
           - rails_6.0
-          - rails_5.2
 
         exclude:
-          - ruby: '2.5'
-            rails: 'rails_7.0'
-          - ruby: '2.5'
-            rails: 'rails_7.1'
-          - ruby: '2.5'
-            rails: 'rails_7.2'
-
           - ruby: '2.6'
             rails: 'rails_7.0'
           - ruby: '2.6'
             rails: 'rails_7.1'
           - ruby: '2.6'
             rails: 'rails_7.2'
 
-          - ruby: '2.7'
-            rails: 'rails_5.2'
           - ruby: '2.7'
             rails: 'rails_7.2'
 
-          - ruby: '3.0'
-            rails: 'rails_5.2'
           - ruby: '3.0'
             rails: 'rails_6.0'
           - ruby: '3.0'
             rails: 'rails_7.2'
 
-          - ruby: '3.1'
-            rails: 'rails_5.2'
-
-          - ruby: '3.2'
-            rails: 'rails_5.2'
-
-          - ruby: '3.3'
-            rails: 'rails_5.2'
-
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.rails }}.gemfile