Bump flatten-maven-plugin from 1.3.0 to 1.4.1

Bumps [flatten-maven-plugin](https://github.com/mojohaus/flatten-maven-plugin) from 1.3.0 to 1.4.1.
- [Release notes](https://github.com/mojohaus/flatten-maven-plugin/releases)
- [Commits](mojohaus/flatten-maven-plugin@flatten-maven-plugin-1.3.0...1.4.1)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:flatten-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -91,7 +91,7 @@
         <version.checkstyle.maven>3.2.1</version.checkstyle.maven>
         <version.checkstyle>10.8.1</version.checkstyle> <!-- Property for Checkstyle's regression CI - see issues 216 and 586 -->
         <version.copy-rename-maven-plugin>1.0.1</version.copy-rename-maven-plugin>
-        <version.flatten-maven-plugin>1.3.0</version.flatten-maven-plugin>
+        <version.flatten-maven-plugin>1.4.1</version.flatten-maven-plugin>
         <version.jacoco>0.8.8</version.jacoco>
         <version.maven-antrun-plugin>3.1.0</version.maven-antrun-plugin>
         <version.maven-assembly-plugin>3.5.0</version.maven-assembly-plugin>