Fix mysql mysql_native_password error on CircleCI

This is already fixed in higher branches. We'll need to fix this
properly when upgrading to MySQL 8.4, which we should do soon as 8.3 is
already EOL.

Closes phpGH-17560

Author: iluuu1994

.circleci/config.yml

@@ -5,7 +5,7 @@ jobs:
     resource_class: arm.medium
     docker:
       - image: cimg/base:current-22.04
-      - image: mysql:8
+      - image: mysql:8.3
         environment:
           MYSQL_ALLOW_EMPTY_PASSWORD: true
           MYSQL_ROOT_PASSWORD: ''