Bump groovy-xml from 3.0.8 to 3.0.9

Bumps [groovy-xml](https://github.com/apache/groovy) from 3.0.8 to 3.0.9.
- [Release notes](https://github.com/apache/groovy/releases)
- [Commits](https://github.com/apache/groovy/commits)

---
updated-dependencies:
- dependency-name: org.codehaus.groovy:groovy-xml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

lib-extra/build.gradle

@@ -15,7 +15,7 @@ dependencies {
 	implementation "org.eclipse.jgit:org.eclipse.jgit:${VER_JGIT}"
 	implementation "com.googlecode.concurrent-trees:concurrent-trees:2.6.1"
 	// used for xml parsing in EclipseFormatter
-	implementation "org.codehaus.groovy:groovy-xml:3.0.8"
+	implementation "org.codehaus.groovy:groovy-xml:3.0.9"
 
 	// testing
 	testImplementation project(':testlib')