Bump mariadb-java-client from 2.7.4 to 3.0.6 (#198)

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