chore(deps): bump com.mysql:mysql-connector-j in /tests (#41)

Bumps [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j) from 9.3.0 to 9.4.0.
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/9.x/CHANGES)
- [Commits](mysql/mysql-connector-j@9.3.0...9.4.0)

---
updated-dependencies:
- dependency-name: com.mysql:mysql-connector-j
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

tests/pom.xml

@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.mysql</groupId>
             <artifactId>mysql-connector-j</artifactId>
-            <version>9.3.0</version>
+            <version>9.4.0</version>
         </dependency>
         <!-- Test dependencies -->
         <dependency>