chore(deps): bump mysql-connector-java from 8.0.29 to 8.0.30 (#1374)

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 8.0.29 to 8.0.30.
- [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/commits)

---
updated-dependencies:
- dependency-name: mysql:mysql-connector-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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sample-operators/mysql-schema/pom.xml

@@ -40,7 +40,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.29</version>
+            <version>8.0.30</version>
         </dependency>
         <dependency>
             <groupId>io.fabric8</groupId>