Bump org.codehaus.modello:modello-maven-plugin from 2.5.1 to 2.6.0

Bumps [org.codehaus.modello:modello-maven-plugin](https://github.com/codehaus-plexus/modello) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/codehaus-plexus/modello/releases)
- [Commits](codehaus-plexus/modello@modello-2.5.1...modello-2.6.0)

---
updated-dependencies:
- dependency-name: org.codehaus.modello:modello-maven-plugin
  dependency-version: 2.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -1051,7 +1051,7 @@ under the License.
         <plugin>
           <groupId>org.codehaus.modello</groupId>
           <artifactId>modello-maven-plugin</artifactId>
-          <version>2.5.1</version>
+          <version>2.6.0</version>
           <configuration>
             <licenseText>Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file