OPENNLP-1747: Update build-helper-maven-plugin to 3.6.1 (#791)

Bumps [org.codehaus.mojo:build-helper-maven-plugin](https://github.com/mojohaus/build-helper-maven-plugin) from 3.6.0 to 3.6.1.
- [Release notes](https://github.com/mojohaus/build-helper-maven-plugin/releases)
- [Commits](mojohaus/build-helper-maven-plugin@3.6.0...3.6.1)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:build-helper-maven-plugin
  dependency-version: 3.6.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit d443168)

Author: dependabot[bot]

opennlp-tools/pom.xml

@@ -164,7 +164,7 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>build-helper-maven-plugin</artifactId>
-            <version>3.6.0</version>
+            <version>3.6.1</version>
             <executions>
               <execution>
                 <id>add-test-source</id>