Update dependency org.codehaus.mojo:flatten-maven-plugin to v1.7.2

Author: renovate[bot]

pom.xml

@@ -168,7 +168,7 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>flatten-maven-plugin</artifactId>
-            <version>1.4.1</version>
+            <version>1.7.2</version>
             <configuration>
               <flattenMode>oss</flattenMode>
             </configuration>