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

Bumps [org.codehaus.mojo:flatten-maven-plugin](https://github.com/mojohaus/flatten-maven-plugin) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/mojohaus/flatten-maven-plugin/releases)
- [Commits](mojohaus/flatten-maven-plugin@1.5.0...1.6.0)

---
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

@@ -367,7 +367,7 @@
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>flatten-maven-plugin</artifactId>
-          <version>1.5.0</version>
+          <version>1.6.0</version>
           <configuration>
             <updatePomFile>true</updatePomFile>
             <flattenMode>resolveCiFriendliesOnly</flattenMode>
@@ -536,7 +536,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>flatten-maven-plugin</artifactId>
-        <version>1.5.0</version>
+        <version>1.6.0</version>
         <configuration>
           <updatePomFile>true</updatePomFile>
           <flattenMode>resolveCiFriendliesOnly</flattenMode>