Bump mariadb-java-client from 3.0.3 to 3.0.4 (#7787)

Bumps [mariadb-java-client](https://github.com/mariadb-corporation/mariadb-connector-j) from 3.0.3 to 3.0.4.
- [Release notes](https://github.com/mariadb-corporation/mariadb-connector-j/releases)
- [Changelog](https://github.com/mariadb-corporation/mariadb-connector-j/blob/master/CHANGELOG.md)
- [Commits](mariadb-corporation/mariadb-connector-j@3.0.3...3.0.4)

---
updated-dependencies:
- dependency-name: org.mariadb.jdbc:mariadb-java-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

pom.xml

@@ -103,7 +103,7 @@
     <kerb-simplekdc.version>2.0.1</kerb-simplekdc.version>
     <log4j2.version>2.17.2</log4j2.version>
     <logback.version>1.3.0-alpha14</logback.version>
-    <mariadb.version>3.0.3</mariadb.version>
+    <mariadb.version>3.0.4</mariadb.version>
     <mariadb.docker.version>10.3.6</mariadb.docker.version>
     <maven-artifact-transfer.version>0.13.1</maven-artifact-transfer.version>
     <maven.resolver.version>1.7.3</maven.resolver.version>