Bump org.apache.maven.plugins:maven-gpg-plugin in /lang/java

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 3.2.5 to 3.2.6.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-3.2.5...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] <[email protected]>

pom.xml

@@ -54,7 +54,7 @@
     <extra-enforcer-rules.version>1.8.0</extra-enforcer-rules.version>
     <maven-antrun-plugin.version>3.1.0</maven-antrun-plugin.version>
     <maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
-    <maven-gpg-plugin.version>3.2.5</maven-gpg-plugin.version>
+    <maven-gpg-plugin.version>3.2.6</maven-gpg-plugin.version>
     <maven-javadoc-plugin.version>3.10.0</maven-javadoc-plugin.version>
     <maven-plugin-plugin.version>3.15.0</maven-plugin-plugin.version>
     <maven-remote-resources-plugin.version>3.2.0</maven-remote-resources-plugin.version>