[Hotfix][CDC] Fix:mysql-cdc can't run in sql mode (#1436)

com.ververica.cdc.connectors.mysql.table.MySqlTableSourceFactory not merge in META-INF/services/org.apache.flink.table.factories.Factory when maven package

Signed-off-by: Jia He <491311184@qq.com>

Signed-off-by: Jia He <491311184@qq.com>
(cherry picked from commit d5b4643)

chunjun-connectors/chunjun-connector-mysqlcdc/pom.xml

@@ -91,6 +91,9 @@
  </excludes>
  </filter>
  </filters>
+ <transformers>
+ <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+ </transformers>
  </configuration>
  </execution>
  </executions>