Fix PHPUnit tests by updating the database health check (#375)

* Update health cmd for mariadb service
* Update phpunit polyfills

Author: noahtallen

.github/workflows/ci-php.yaml

@@ -32,7 +32,7 @@ jobs:
           MYSQL_ROOT_PASSWORD: root
         ports:
           - 3306
-        options: --health-cmd="mysqladmin ping" --health-interval=5s --health-timeout=5s --health-retries=5
+        options: --health-cmd="healthcheck.sh --innodb_initialized" --health-interval=5s --health-timeout=2s --health-retries=3
     steps:
       - name: Check out source code
         uses: actions/[email protected]

composer.json

@@ -12,7 +12,7 @@
     "wp-coding-standards/wpcs": "^2.3",
     "johnpbloch/wordpress-core": "6.1.1",
     "wp-phpunit/wp-phpunit": "6.1.1",
-    "yoast/phpunit-polyfills": "1.0.4",
+    "yoast/phpunit-polyfills": "1.1.0",
     "wp-cli/wp-cli": "*"
   },
   "config": {