[e2e] bump flink e2e test version.

flink-cdc-e2e-tests/pom.xml

@@ -30,8 +30,8 @@ under the License.
     <packaging>jar</packaging>
 
     <properties>
-        <flink-1.13>1.13.5</flink-1.13>
+        <flink-1.13>1.13.6</flink-1.13>
-        <flink-1.14>1.14.3</flink-1.14>
+        <flink-1.14>1.14.4</flink-1.14>
         <mysql.driver.version>8.0.27</mysql.driver.version>
     </properties>
 

flink-cdc-e2e-tests/src/test/java/com/ververica/cdc/connectors/tests/utils/FlinkContainerTestEnvironment.java

@@ -123,7 +123,7 @@ public abstract class FlinkContainerTestEnvironment extends TestLogger {
 
     @Parameterized.Parameters(name = "flinkVersion: {0}")
     public static List<String> getFlinkVersion() {
-        return Arrays.asList("1.13.5", "1.14.3");
+        return Arrays.asList("1.13.6", "1.14.4");
     }
 
     @Before