Bump frontend-maven-plugin from 1.12.0 to 1.12.1 (#484)

Bumps [frontend-maven-plugin](https://github.com/eirslett/frontend-maven-plugin) from 1.12.0 to 1.12.1.
- [Release notes](https://github.com/eirslett/frontend-maven-plugin/releases)
- [Changelog](https://github.com/eirslett/frontend-maven-plugin/blob/master/CHANGELOG.md)
- [Commits](eirslett/frontend-maven-plugin@frontend-plugins-1.12.0...frontend-plugins-1.12.1)

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

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

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

pom.xml

@@ -88,7 +88,7 @@
     <node.version>4.0.0</node.version>
     <npm.version>2.13.1</npm.version>
     <yarn.version>0.23.0</yarn.version>
-    <frontend-version>1.12.0</frontend-version>
+    <frontend-version>1.12.1</frontend-version>
     <nodeDownloadRoot>https://repo.jenkins-ci.org/nodejs-dist/</nodeDownloadRoot>
     <npmDownloadRoot>https://repo.jenkins-ci.org/npm-dist/</npmDownloadRoot>