Merge pull request #6832 from bndtools/dependabot/maven/maven-plugins/org.codehaus.mojo-flatten-maven-plugin-1.7.3

Bump org.codehaus.mojo:flatten-maven-plugin from 1.7.2 to 1.7.3 in /maven-plugins

Author: chrisrueger

maven-plugins/bnd-plugin-parent/pom.xml

@@ -429,7 +429,7 @@
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
 					<artifactId>flatten-maven-plugin</artifactId>
-					<version>1.7.2</version>
+					<version>1.7.3</version>
 					<configuration>
 						<flattenMode>oss</flattenMode>
 					</configuration>