build(deps): bump org.apache.maven.plugins:maven-war-plugin (#2856)

Bumps [org.apache.maven.plugins:maven-war-plugin](https://github.com/apache/maven-war-plugin) from 3.3.2 to 3.4.0.
- [Commits](apache/maven-war-plugin@maven-war-plugin-3.3.2...maven-war-plugin-3.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

model-view-viewmodel/pom.xml

@@ -38,7 +38,7 @@
   <properties>
     <zk.version>9.0.0</zk.version>
     <jetty-maven-plugin.version>9.4.28.v20200408</jetty-maven-plugin.version>
-    <maven-war-plugin.version>3.3.2</maven-war-plugin.version>
+    <maven-war-plugin.version>3.4.0</maven-war-plugin.version>
     <maven.build.timestamp.format>yyyy-MM-dd</maven.build.timestamp.format>
     <packname>-${project.version}-FL-${maven.build.timestamp}</packname>
   </properties>