Bump org.apache.maven.plugins:maven-gpg-plugin from 1.6 to 3.2.7

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 1.6 to 3.2.7.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-1.6...maven-gpg-plugin-3.2.7)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-gpg-plugin
  dependency-version: 3.2.7
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pom.xml

@@ -60,7 +60,7 @@ We use these goals frequently to keep the dependencies and plugins up-to-date:
         <maven.install.version>3.1.4</maven.install.version>
         <maven.compiler.version>3.8.1</maven.compiler.version>
         <maven.deploy.version>3.1.4</maven.deploy.version>
-        <maven.gpg.version>1.6</maven.gpg.version>
+        <maven.gpg.version>3.2.7</maven.gpg.version>
         <maven.jacoco.version>0.8.4</maven.jacoco.version>
         <maven.jar.version>3.1.2</maven.jar.version>
         <maven.javadoc.version>3.1.1</maven.javadoc.version>