Bump the maven group across 1 directory with 2 updates

Bumps the maven group with 2 updates in the /src/services/java directory: [mysql:mysql-connector-java](https://github.com/mysql/mysql-connector-j) and [org.mongodb:mongo-java-driver](https://github.com/mongodb/mongo-java-driver).


Updates `mysql:mysql-connector-java` from 5.1.49 to 8.0.28
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/9.x/CHANGES)
- [Commits](mysql/mysql-connector-j@5.1.49...8.0.28)

Updates `org.mongodb:mongo-java-driver` from 3.12.7 to 3.12.14
- [Release notes](https://github.com/mongodb/mongo-java-driver/releases)
- [Commits](mongodb/mongo-java-driver@r3.12.7...r3.12.14)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
  dependency-group: maven
- dependency-name: org.mongodb:mongo-java-driver
  dependency-type: direct:production
  dependency-group: maven
...

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

src/services/java/pom.xml

@@ -19,12 +19,12 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.49</version>
+            <version>8.0.28</version>
         </dependency>
         <dependency>
           <groupId>org.mongodb</groupId>
           <artifactId>mongo-java-driver</artifactId>
-          <version>3.12.7</version>
+          <version>3.12.14</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>