Bump org.codehaus.mojo:flatten-maven-plugin from 1.7.1 to 1.7.2 (#1172)

Author: dependabot[bot]

pom.xml

@@ -1382,7 +1382,7 @@
  <plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>flatten-maven-plugin</artifactId>
- <version>1.7.1</version>
+ <version>1.7.2</version>
  <configuration>
  <updatePomFile>true</updatePomFile>
  </configuration>