Bump org.apache.maven.plugins:maven-invoker-plugin from 3.4.0 to 3.6.1

Bumps [org.apache.maven.plugins:maven-invoker-plugin](https://github.com/apache/maven-invoker-plugin) from 3.4.0 to 3.6.1.
- [Release notes](https://github.com/apache/maven-invoker-plugin/releases)
- [Commits](apache/maven-invoker-plugin@maven-invoker-plugin-3.4.0...maven-invoker-plugin-3.6.1)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-invoker-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -345,7 +345,7 @@
 		<plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-invoker-plugin</artifactId>
-          <version>3.4.0</version>
+          <version>3.6.1</version>
           <configuration>
             <scriptVariables>
               <projectVersion>${project.version}</projectVersion>

webstart-maven-plugin/pom.xml

@@ -225,7 +225,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-invoker-plugin</artifactId>
-						<version>3.4.0</version>
+						<version>3.6.1</version>
             <configuration>
               <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
               <settingsFile>src/it/settings.xml</settingsFile>
@@ -266,7 +266,7 @@
 
           <plugin>
             <artifactId>maven-invoker-plugin</artifactId>
-			<version>3.4.0</version>
+			<version>3.6.1</version>
           </plugin>
           <plugin>
             <groupId>org.codehaus.mojo</groupId>