bump mysql connector (#2719)

Author: csviri

sample-operators/mysql-schema/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
-      <version>8.0.30</version>
+      <version>8.0.33</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>