Update CI config: add Redmine 6 and drop support of Redmine 4

Author: nanego

.github/workflows/5_1_2.yml renamed to .github/workflows/5_1_5.yml

@@ -1,8 +1,8 @@
-name: Tests 5.1.2
+name: Tests 5.1.5
 
 env:
   PLUGIN_NAME: redmine_customize_core_fields
-  REDMINE_VERSION: 5.1.2
+  REDMINE_VERSION: 5.1.5
   RAILS_ENV: test
 
 on:
@@ -89,8 +89,6 @@ jobs:
       - name: Prepare Redmine source
         working-directory: redmine
         run: |
-          # TODO Remove the following line when https://www.redmine.org/issues/40551 is fixed
-          sed -i -e 's/.*mocha.*/  gem "mocha", "2.1.0"/' Gemfile # Fix core tests not compatible with Mocha 2.2.0
           rm -f test/integration/routing/plugins_test.rb # Fix routing tests # TODO Remove this line when https://www.redmine.org/issues/38707 is fixed
           sed -i '/rubocop/d' Gemfile
           rm -f .rubocop*

.github/workflows/4_2_11.yml renamed to .github/workflows/6_0_2.yml

@@ -1,8 +1,8 @@
-name: Tests 4.2.11
+name: Tests 6.0.2
 
 env:
   PLUGIN_NAME: redmine_customize_core_fields
-  REDMINE_VERSION: 4.2.11
+  REDMINE_VERSION: 6.0.2
   RAILS_ENV: test
 
 on:
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ['2.7']
+        ruby: ['3.3']
         db: ['postgres']
       fail-fast: false
 
@@ -89,8 +89,7 @@ jobs:
       - name: Prepare Redmine source
         working-directory: redmine
         run: |
-          # TODO Remove the following line when https://www.redmine.org/issues/40551 is fixed
-          sed -i -e 's/.*mocha.*/  gem "mocha", "2.1.0"/' Gemfile # Fix core tests not compatible with Mocha 2.2.0
+          rm -f test/integration/routing/plugins_test.rb # Fix routing tests # TODO Remove this line when https://www.redmine.org/issues/38707 is fixed
           sed -i '/rubocop/d' Gemfile
           rm -f .rubocop*
           cp plugins/redmine_base_rspec/spec/support/database-${{ matrix.db }}.yml config/database.yml

.github/workflows/master.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ['3.2']
+        ruby: ['3.3']
         db: ['postgres']
       fail-fast: false
 

README.md

@@ -32,14 +32,14 @@ And finally restart your Redmine instance.
 Test status
 ------------
 
-| Plugin branch | Redmine Version | Test Status        |
-|---------------|-----------------|--------------------|
-| master        | 5.1.2           | [![5.1.2][1]][5]   |
-| master        | 4.2.11          | [![4.2.11][2]][5]  |
-| master        | master          | [![master][4]][5]  |
-
-[1]: https://github.com/nanego/redmine_customize_core_fields/actions/workflows/5_1_2.yml/badge.svg
-[2]: https://github.com/nanego/redmine_customize_core_fields/actions/workflows/4_2_11.yml/badge.svg
+| Plugin branch | Redmine Version | Test Status       |
+|---------------|-----------------|-------------------|
+| master        | 5.1.5           | [![5.1.5][1]][5]  |
+| master        | 6.0.2           | [![6.0.2][2]][5]  |
+| master        | master          | [![master][4]][5] |
+
+[1]: https://github.com/nanego/redmine_customize_core_fields/actions/workflows/5_1_5.yml/badge.svg
+[2]: https://github.com/nanego/redmine_customize_core_fields/actions/workflows/6_0_2.yml/badge.svg
 [4]: https://github.com/nanego/redmine_customize_core_fields/actions/workflows/master.yml/badge.svg
 [5]: https://github.com/nanego/redmine_customize_core_fields/actions