Update database.yaml

Set exact mysql 8.0 version otherwise it breaks on the latest 8.4

Author: vladsf

2024/03-github-actions/.helm/templates/database.yaml

@@ -14,7 +14,7 @@ spec:
     spec:
       containers:
       - name: mysql
-        image: mysql:8
+        image: mysql:8.0
         args: ["--default-authentication-plugin=mysql_native_password"]
         ports:
         - containerPort: 3306