Bump the backend-prod group across 2 directories with 1 update

Bumps the backend-prod group with 1 update in the / directory: [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j).
Bumps the backend-prod group with 1 update in the /provisioning-mock directory: [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j).


Updates `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)

Updates `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
  dependency-group: backend-prod
- dependency-name: com.mysql:mysql-connector-j
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: backend-prod
...

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

Author: dependabot[bot]

provisioning-mock/pom.xml

@@ -45,7 +45,7 @@
         <dependency>
             <groupId>com.mysql</groupId>
             <artifactId>mysql-connector-j</artifactId>
-            <version>9.3.0</version>
+            <version>9.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>