Bump the protobuf-plugins group with 2 updates (#65)

Bumps the protobuf-plugins group with 2 updates: [org.apache.maven.plugins:maven-dependency-plugin](https://github.com/apache/maven-dependency-plugin) and [org.codehaus.mojo:build-helper-maven-plugin](https://github.com/mojohaus/build-helper-maven-plugin).


Updates `org.apache.maven.plugins:maven-dependency-plugin` from 3.6.1 to 3.7.1
- [Release notes](https://github.com/apache/maven-dependency-plugin/releases)
- [Commits](apache/maven-dependency-plugin@maven-dependency-plugin-3.6.1...maven-dependency-plugin-3.7.1)

Updates `org.codehaus.mojo:build-helper-maven-plugin` from 3.5.0 to 3.6.0
- [Release notes](https://github.com/mojohaus/build-helper-maven-plugin/releases)
- [Commits](mojohaus/build-helper-maven-plugin@3.5.0...3.6.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-dependency-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: protobuf-plugins
- dependency-name: org.codehaus.mojo:build-helper-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: protobuf-plugins
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

protobuf/pom.xml

@@ -26,8 +26,8 @@
     <properties>
         <!-- protobuf specific plugins versions -->
         <os-maven-plugin.version>1.7.1</os-maven-plugin.version>
-        <maven-dependency-plugin.version>3.6.1</maven-dependency-plugin.version>
-        <build-helper-maven-plugin.version>3.5.0</build-helper-maven-plugin.version>
+        <maven-dependency-plugin.version>3.7.1</maven-dependency-plugin.version>
+        <build-helper-maven-plugin.version>3.6.0</build-helper-maven-plugin.version>
         <protobuf-maven-plugin.version>0.6.1</protobuf-maven-plugin.version>
         <maven-replacer-plugin.version>1.4.1</maven-replacer-plugin.version>