minor: rename config name

Signed-off-by: yuxiqian <34335406+yuxiqian@users.noreply.github.com>

Author: yuxiqian

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/src/main/java/org/apache/flink/cdc/connectors/mysql/source/MySqlDataSourceOptions.java

@@ -284,7 +284,7 @@ public class MySqlDataSourceOptions {
 
     @Experimental
     public static final ConfigOption<Boolean> PARSE_ONLINE_SCHEMA_CHANGES =
-            ConfigOptions.key("scan.parse.online.schema.changes")
+            ConfigOptions.key("scan.parse.online.schema.changes.enabled")
                     .booleanType()
                     .defaultValue(false)
                     .withDescription(

flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/source/config/MySqlSourceOptions.java

@@ -265,7 +265,7 @@ public class MySqlSourceOptions {
 
     @Experimental
     public static final ConfigOption<Boolean> PARSE_ONLINE_SCHEMA_CHANGES =
-            ConfigOptions.key("scan.parse.online.schema.changes")
+            ConfigOptions.key("scan.parse.online.schema.changes.enabled")
                     .booleanType()
                     .defaultValue(false)
                     .withDescription(