Bump flatten-maven-plugin from 1.2.5 to 1.2.7

Bumps [flatten-maven-plugin](https://github.com/mojohaus/flatten-maven-plugin) from 1.2.5 to 1.2.7.
- [Release notes](https://github.com/mojohaus/flatten-maven-plugin/releases)
- [Commits](https://github.com/mojohaus/flatten-maven-plugin/compare/flatten-maven-plugin-1.2.5...flatten-maven-plugin-1.2.7)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 0dec024..782bf13 100644
--- a/pom.xml
+++ b/pom.xml
@@ -602,7 +602,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>
-                <version>1.2.5</version>
+                <version>1.2.7</version>
                 <configuration>
                     <flattenMode>oss</flattenMode>
                 </configuration>