Bump maven-scm-publish-plugin from 3.1.0 to 3.2.1

Bumps [maven-scm-publish-plugin](https://github.com/apache/maven-scm-publish-plugin) from 3.1.0 to 3.2.1.
- [Release notes](https://github.com/apache/maven-scm-publish-plugin/releases)
- [Commits](apache/maven-scm-publish-plugin@maven-scm-publish-plugin-3.1.0...maven-scm-publish-plugin-3.2.1)

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

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

Author: dependabot[bot]

pom.xml

@@ -489,7 +489,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-scm-publish-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.1</version>
           <configuration>
             <pubScmUrl>${project.scm.developerConnection}</pubScmUrl>
             <scmBranch>gh-pages</scmBranch>