Use PostgreSQL 18.1 and MySQL 8.0.44 explicitly

Author: relthyg

.github/workflows/tests.yml

@@ -16,8 +16,8 @@ jobs:
     env:
       SYMFONY_REQUIRE: ${{ matrix.symfony }}
       SYMFONY_DEPRECATIONS_HELPER: ${{ matrix.symfony-deprecations }}
-      DB_DSN_MYSQL: mysql://test:test@127.0.0.1/craue_form_flow_tests
-      DB_DSN_POSTGRESQL: pgsql://test:test@127.0.0.1/craue_form_flow_tests
+      DB_DSN_MYSQL: mysql://test:test@127.0.0.1/craue_form_flow_tests?serverVersion=8.0.44
+      DB_DSN_POSTGRESQL: pgsql://test:test@127.0.0.1/craue_form_flow_tests?serverVersion=18.1
       DB_DSN_SQLITE: sqlite:///sqlite.db
 
     strategy:
@@ -45,7 +45,7 @@ jobs:
 
     services:
       mysql:
-        image: mysql:${{ (matrix.php == '7.3' && '5.7') || '8.0' }}
+        image: mysql:8.0.44
         env:
           MYSQL_USER: test
           MYSQL_PASSWORD: test
@@ -60,7 +60,7 @@ jobs:
           - 3306:3306
 
       postgres:
-        image: postgres
+        image: postgres:18.1
         env:
           POSTGRES_USER: test
           POSTGRES_PASSWORD: test