Use mysql 5.7

Author: renatonascalves

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
         wp_version: ['latest']
-        mysql: [9.0]
+        mysql: ['5.7']
         include:
           - php: '7.4'
             wp_version: '6.4'
@@ -32,9 +32,9 @@ jobs:
         run: if [[ ! -z $(git ls-files -i --exclude-standard) ]]; then exit 1; fi
 
       - name: Check existence of composer.json & behat.yml files
-        id: check_files
-        uses: andstor/file-existence-action@v2
+        uses: andstor/file-existence-action@v3
         with:
+          fail: true
           files: "composer.json, behat.yml"
 
       - name: Setup PHP