Bump org.apache.maven.plugins:maven-gpg-plugin

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 3.2.3 to 3.2.4.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-3.2.3...maven-gpg-plugin-3.2.4)

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

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

org-apache-maven-plugins-test/pom.xml

@@ -155,7 +155,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>
-                <version>3.2.3</version>
+                <version>3.2.4</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>