Bump mysql-connector-java from 8.0.11 to 8.0.28 in /supplier-api

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.11 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](https://github.com/mysql/mysql-connector-j/compare/8.0.11...8.0.28)

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

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

supplier-api/pom.xml

@@ -32,7 +32,7 @@
         <swagger.version>2.9.2</swagger.version>
         <commons-lang3.version>3.7</commons-lang3.version>
         <ehcache.core.version>2.6.11</ehcache.core.version>
-        <mysql-connector-java.version>8.0.11</mysql-connector-java.version>
+        <mysql-connector-java.version>8.0.28</mysql-connector-java.version>
         <jwt.version>0.9.0</jwt.version>
         <hutool.version>4.1.1</hutool.version>
         <mapstruct.version>1.3.1.Final</mapstruct.version>