Bump org.apache.maven.plugins:maven-gpg-plugin from 3.2.4 to 3.2.6

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 3.2.4 to 3.2.6.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-3.2.4...maven-gpg-plugin-3.2.6)

---
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>

Author: dependabot[bot]

pom.xml

@@ -237,7 +237,7 @@
       <id>release</id>
       <properties>
           <version.maven-release-plugin>3.0.1</version.maven-release-plugin>
-          <version.maven-gpg-plugin>3.2.4</version.maven-gpg-plugin>
+          <version.maven-gpg-plugin>3.2.6</version.maven-gpg-plugin>
       </properties>
       <build>
           <pluginManagement>