Bump mariadb from 11.8.2 to 12.0.2 in /tooling/docker

Bumps mariadb from 11.8.2 to 12.0.2.

---
updated-dependencies:
- dependency-name: mariadb
  dependency-version: 12.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

tooling/docker/maria.Dockerfile

@@ -1,3 +1,3 @@
 # MariaDB
 # See https://hub.docker.com/_/mariadb
-FROM docker.io/mariadb:11.8.2
+FROM docker.io/mariadb:12.0.2