Bump maven-war-plugin from 3.2.1 to 3.3.1 (#38)

Bumps [maven-war-plugin](https://github.com/apache/maven-war-plugin) from 3.2.1 to 3.3.1.
- [Release notes](https://github.com/apache/maven-war-plugin/releases)
- [Commits](apache/maven-war-plugin@maven-war-plugin-3.2.1...maven-war-plugin-3.3.1)

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

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

mrm-webapp/pom.xml

@@ -36,7 +36,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-war-plugin</artifactId>
-          <version>3.2.1</version>
+          <version>3.3.1</version>
         </plugin>
       </plugins>
     </pluginManagement>