updating poms for 3.1.0 branch with snapshot versions

Author: stefanseifert

pom.xml

@@ -31,7 +31,7 @@ under the License.
 
   <groupId>io.wcm.devops.maven.plugins</groupId>
   <artifactId>eclipse-maven-plugin</artifactId>
-  <version>3.0.1-SNAPSHOT</version>
+  <version>3.1.0-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <name>wcm.io DevOps Eclipse Maven Plugin</name>
@@ -650,7 +650,7 @@ under the License.
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore></ignore>
+                        <ignore />
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -663,7 +663,7 @@ under the License.
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore></ignore>
+                        <ignore />
                       </action>
                     </pluginExecution>
                   </pluginExecutions>