build(deps): bump com.github.eirslett:frontend-maven-plugin

Bumps [com.github.eirslett:frontend-maven-plugin](https://github.com/eirslett/frontend-maven-plugin) from 1.12.1 to 1.13.4.
- [Changelog](https://github.com/eirslett/frontend-maven-plugin/blob/master/CHANGELOG.md)
- [Commits](eirslett/frontend-maven-plugin@frontend-plugins-1.12.1...frontend-plugins-1.13.4)

---
updated-dependencies:
- dependency-name: com.github.eirslett:frontend-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -74,7 +74,7 @@
   <org.apache.maven.plugins.clean.version>3.2.0</org.apache.maven.plugins.clean.version>
   <org.apache.maven.plugins.resources.version>3.3.1</org.apache.maven.plugins.resources.version>
   <org.apache.maven.plugins.assembly.version>3.5.0</org.apache.maven.plugins.assembly.version>
-  <com.github.eirslett.frontend.plugin.version>1.12.1</com.github.eirslett.frontend.plugin.version>
+  <com.github.eirslett.frontend.plugin.version>1.13.4</com.github.eirslett.frontend.plugin.version>
   <org.codehaus.mojo.exec.plugin.version>3.1.0</org.codehaus.mojo.exec.plugin.version>
   <org.codehaus.mojo.build.helper.plugin.version>3.3.0</org.codehaus.mojo.build.helper.plugin.version>
   <com.mycila.license.maven.plugin.version>4.2</com.mycila.license.maven.plugin.version>