Bump org.apache.maven.plugins:maven-gpg-plugin from 3.1.0 to 3.2.0

Bumps [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin) from 3.1.0 to 3.2.0.
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-3.1.0...maven-gpg-plugin-3.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -33,7 +33,7 @@
     <testcontainers.version>1.19.7</testcontainers.version>
     <maven.source.plugin.version>3.3.0</maven.source.plugin.version>
     <nexus.staging.plugin.version>1.6.13</nexus.staging.plugin.version>
-    <maven.gpg.plugin.version>3.1.0</maven.gpg.plugin.version>
+    <maven.gpg.plugin.version>3.2.0</maven.gpg.plugin.version>
   </properties>
   <modules>
     <module>transactionoutbox-core</module>