chore: [DevOps] bump the plugins group with 2 updates (#488)

Bumps the plugins group with 2 updates: [org.apache.maven.plugins:maven-enforcer-plugin](https://github.com/apache/maven-enforcer) and [org.apache.maven.plugins:maven-gpg-plugin](https://github.com/apache/maven-gpg-plugin).


Updates `org.apache.maven.plugins:maven-enforcer-plugin` from 3.5.0 to 3.6.0
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](apache/maven-enforcer@enforcer-3.5.0...enforcer-3.6.0)

Updates `org.apache.maven.plugins:maven-gpg-plugin` from 3.2.7 to 3.2.8
- [Release notes](https://github.com/apache/maven-gpg-plugin/releases)
- [Commits](apache/maven-gpg-plugin@maven-gpg-plugin-3.2.7...maven-gpg-plugin-3.2.8)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-enforcer-plugin
  dependency-version: 3.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: plugins
- dependency-name: org.apache.maven.plugins:maven-gpg-plugin
  dependency-version: 3.2.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: plugins
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -326,7 +326,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>3.5.0</version>
+        <version>3.6.0</version>
         <configuration>
           <fail>true</fail>
           <skip>${enforcer.skip}</skip>
@@ -889,7 +889,7 @@ https://gitbox.apache.org/repos/asf?p=maven-pmd-plugin.git;a=blob_plain;f=src/ma
             <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-gpg-plugin</artifactId>
-              <version>3.2.7</version>
+              <version>3.2.8</version>
               <executions>
                 <execution>
                   <id>sign-artifacts</id>