Update flink-connector-jdbc-backward-compatibility version to 3.3.0

Author: ruanhang1993

flink-connector-jdbc-backward-compatibility/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.apache.flink</groupId>
         <artifactId>flink-connector-jdbc-parent</artifactId>
-        <version>3.3-SNAPSHOT</version>
+        <version>3.3.0</version>
     </parent>
 
     <groupId>org.apache.flink</groupId>