build(deps): bump mariadb in /generators/server/resources (#29760)

Bumps mariadb from 11.7.2 to 11.8.2.

---
updated-dependencies:
- dependency-name: mariadb
  dependency-version: 11.8.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

generators/server/resources/Dockerfile

@@ -18,7 +18,7 @@ LABEL ALIAS=keycloak
 
 FROM mysql:9.2.0
 
-FROM mariadb:11.7.2
+FROM mariadb:11.8.2
 
 FROM mongo:8.0.10
 LABEL ALIAS=mongodb