Bump org.codehaus.mojo:flatten-maven-plugin from 1.7.3 to 1.8.0

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

@@ -155,7 +155,7 @@
         <maven-surefire-plugin-version>3.1.2</maven-surefire-plugin-version>
         <maven-javadoc-plugin-version>3.12.0</maven-javadoc-plugin-version>
         <maven-release-plugin-version>3.3.1</maven-release-plugin-version>
-        <flatten-maven-plugin-version>1.7.3</flatten-maven-plugin-version>
+        <flatten-maven-plugin-version>1.8.0</flatten-maven-plugin-version>
         <surefire.version>${maven-surefire-plugin-version}</surefire.version>
         <jkube-version>1.20.0</jkube-version>
         <fabric8-maven-plugin-version>4.4.2</fabric8-maven-plugin-version>