Bump mariadb

Bumps mariadb from 10.8 to 12.0.

---
updated-dependencies:
- dependency-name: mariadb
  dependency-version: '12.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

tests/tck-build-logic/src/main/resources/allowed-docker-images/Dockerfile-mariadb

@@ -1 +1 @@
-FROM mariadb:10.8
+FROM mariadb:12.0