Bump io.kokuwa.maven:helm-maven-plugin from 6.15.0 to 6.16.0 (#12)

Bumps [io.kokuwa.maven:helm-maven-plugin](https://github.com/kokuwaio/helm-maven-plugin) from 6.15.0 to 6.16.0.
- [Release notes](https://github.com/kokuwaio/helm-maven-plugin/releases)
- [Commits](kokuwaio/helm-maven-plugin@6.15.0...6.16.0)

---
updated-dependencies:
- dependency-name: io.kokuwa.maven:helm-maven-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]

pom.xml

@@ -108,7 +108,7 @@
                 <plugin>
                     <groupId>io.kokuwa.maven</groupId>
                     <artifactId>helm-maven-plugin</artifactId>
-                    <version>6.15.0</version>
+                    <version>6.16.0</version>
                     <extensions>true</extensions>
                     <configuration>
                         <chartDirectory>${project.build.directory}/classes</chartDirectory>