chore(deps): update mysql docker tag to v9

| datasource | package | from | to  |
| ---------- | ------- | ---- | --- |
| docker     | mysql   | 8.4  | 9.6 |

Author: renovate[bot]

web3/containers/fleet/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   database:
-    image: mysql:8.4
+    image: mysql:9.6
     env_file: .env
     volumes:
       - database:/var/lib/mysql