Build(deps-dev): Bump org.codehaus.mojo:flatten-maven-plugin

Bumps [org.codehaus.mojo:flatten-maven-plugin](https://github.com/mojohaus/flatten-maven-plugin) from 1.7.3 to 1.8.0.
- [Release notes](https://github.com/mojohaus/flatten-maven-plugin/releases)
- [Commits](mojohaus/flatten-maven-plugin@1.7.3...1.8.0)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:flatten-maven-plugin
  dependency-version: 1.8.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pom.xml

@@ -94,7 +94,7 @@
 
     <git-code-format-maven-plugin.version>6.0</git-code-format-maven-plugin.version>
 
-    <flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
+    <flatten-maven-plugin.version>1.8.0</flatten-maven-plugin.version>
 
     <junit.version>6.1.2</junit.version>
     <ecj.version>3.46.0</ecj.version>