chore(deps): update dependency org.apache.maven.plugins:maven-gpg-plugin to v3 (open-feature#104)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -343,7 +343,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-gpg-plugin</artifactId>
-        <version>1.6</version>
+        <version>3.0.1</version>
         <executions>
             <execution>
                 <id>sign-artifacts</id>