Bump com.mysql:mysql-connector-j from 8.2.0 to 8.3.0 in /Plan (#3418)

Bumps [com.mysql:mysql-connector-j](https://github.com/mysql/mysql-connector-j) from 8.2.0 to 8.3.0.
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.x/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/8.2.0...8.3.0)

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

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Plan/build.gradle

@@ -89,7 +89,7 @@ subprojects {
         caffeineVersion = "3.1.8"
         jettyVersion = "11.0.19"
         caffeineVersion = "2.9.2"
-        mysqlVersion = "8.2.0"
+        mysqlVersion = "8.3.0"
         mariadbVersion = "3.3.2"
         sqliteVersion = "3.42.0.1"
         adventureVersion = "4.14.0"