Merge pull request #8218 from kenjis/use-mysql-80

chore: use MySQL 8.0 by default

.github/workflows/test-phpunit.yml

@@ -99,17 +99,17 @@ jobs:
           - SQLSRV
           - SQLite3
         mysql-version:
-          - '5.7'
+          - '8.0'
         include:
           - php-version: '7.4'
             db-platform: MySQLi
-            mysql-version: '8.0'
+            mysql-version: '5.7'
           - php-version: '8.3'
             composer-option: '--ignore-platform-req=php'
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
-      job-name:
+      job-name: ''
       php-version: ${{ matrix.php-version }}
       job-id: database-live-tests
       db-platform: ${{ matrix.db-platform }}
@@ -141,7 +141,7 @@ jobs:
 
     uses: ./.github/workflows/reusable-phpunit-test.yml # @TODO Extract to codeigniter4/.github repo
     with:
-      job-name:
+      job-name: ''
       php-version: ${{ matrix.php-version }}
       job-id: separate-process-tests
       group-name: SeparateProcess