Bump mariadb-java-client from 2.7.4 to 2.7.5

Bumps [mariadb-java-client](https://github.com/mariadb-corporation/mariadb-connector-j) from 2.7.4 to 2.7.5.
- [Release notes](https://github.com/mariadb-corporation/mariadb-connector-j/releases)
- [Changelog](https://github.com/mariadb-corporation/mariadb-connector-j/blob/2.7.5/CHANGELOG.md)
- [Commits](https://github.com/mariadb-corporation/mariadb-connector-j/compare/2.7.4...2.7.5)

---
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>

velocity/pom.xml

@@ -129,7 +129,7 @@
         <dependency>
             <groupId>org.mariadb.jdbc</groupId>
             <artifactId>mariadb-java-client</artifactId>
-            <version>2.7.4</version>
+            <version>2.7.5</version>
         </dependency>
     </dependencies>
 </project>