Update dependency org.apache.maven.plugins:maven-gpg-plugin to v3.2.7 (#50)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[org.apache.maven.plugins:maven-gpg-plugin](https://maven.apache.org/plugins/)
| `3.1.0` -> `3.2.7` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.apache.maven.plugins:maven-gpg-plugin/3.2.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/org.apache.maven.plugins:maven-gpg-plugin/3.2.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/org.apache.maven.plugins:maven-gpg-plugin/3.1.0/3.2.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.apache.maven.plugins:maven-gpg-plugin/3.1.0/3.2.7?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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pom.xml

@@ -238,7 +238,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.1.0</version>
+                        <version>3.2.7</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>