[FLINK-3158] Enforce maven version to be < 3.3 when building a release

pom.xml

@@ -630,6 +630,27 @@ under the License.
 							</execution>
 						</executions>
 					</plugin>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-enforcer-plugin</artifactId>
+						<version>1.4.1</version>
+						<executions>
+							<execution>
+								<id>enforce-maven</id>
+								<goals>
+									<goal>enforce</goal>
+								</goals>
+								<configuration>
+									<rules>
+										<requireMavenVersion>
+											<!-- maven version must be lower than 3.3. See FLINK-3158 -->
+											<version>(,3.3)</version>
+										</requireMavenVersion>
+									</rules>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
 				</plugins>
 				<pluginManagement>
 					<plugins>