Bump com.mysql:mysql-connector-j from 9.3.0 to 9.4.0

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]>

Author: dependabot[bot]

pom.xml

@@ -117,7 +117,7 @@
     <h2.version>2.3.232</h2.version>
     <postgresql.version>42.7.7</postgresql.version>
     <oracle.version>23.8.0.25.04</oracle.version>
-    <mysql.version>9.3.0</mysql.version>
+    <mysql.version>9.4.0</mysql.version>
     <mssql.version>13.1.1.jre8-preview</mssql.version>
     <cubrid.version>9.3.9.0002</cubrid.version>
     <sqlite.version>3.50.3.0</sqlite.version>