[MGPG-89] Bump maven-plugins from 34 to 36
diff --git a/pom.xml b/pom.xml
index 0bf498b..889e2ca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,12 +25,12 @@
   <parent>
     <artifactId>maven-plugins</artifactId>
     <groupId>org.apache.maven.plugins</groupId>
-    <version>34</version>
+    <version>36</version>
     <relativePath />
   </parent>
 
   <artifactId>maven-gpg-plugin</artifactId>
-  <version>3.0.2-SNAPSHOT</version>
+  <version>3.1.0-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven GPG Plugin</name>
@@ -44,7 +44,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-gpg-plugin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-gpg-plugin.git</developerConnection>
     <url>https://github.com/apache/maven-gpg-plugin/tree/${project.scm.tag}</url>
-    <tag>maven-gpg-plugin-3.0.0</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>jira</system>
@@ -197,7 +197,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-shade-plugin</artifactId>
-        <version>3.3.0</version>
         <executions>
           <execution>
             <goals>