build(deps): bump mysql-connector-java in /acceptance-test

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.25 to 8.0.28.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](mysql/mysql-connector-j@8.0.25...8.0.28)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
...

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

Author: dependabot[bot]

acceptance-test/pom.xml

@@ -17,7 +17,7 @@
         <mutation.skip>true</mutation.skip>
         <maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
         <maven-failsafe-plugin.version>2.22.0</maven-failsafe-plugin.version>
-        <mysql-connector-java.version>8.0.25</mysql-connector-java.version>
+        <mysql-connector-java.version>8.0.28</mysql-connector-java.version>
         <docker-maven-plugin.version>0.38.1</docker-maven-plugin.version>
         <mutation.skip>true</mutation.skip>
         <wiremock-jre8.version>2.33.2</wiremock-jre8.version>