Bump mariadb-java-client from 2.7.4 to 3.0.6

Bumps [mariadb-java-client](https://github.com/mariadb-corporation/mariadb-connector-j) from 2.7.4 to 3.0.6.
- [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@2.7.4...3.0.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -81,7 +81,7 @@
                 <dependency>
                     <groupId>org.mariadb.jdbc</groupId>
                     <artifactId>mariadb-java-client</artifactId>
-                    <version>2.7.4</version>
+                    <version>3.0.6</version>
                 </dependency>
             </dependencies>
         </profile>