Revert "[maven-release-plugin] prepare release maven-shade-plugin-3.3.1"

This reverts commit a09e6de.

pom.xml

@@ -30,7 +30,7 @@
   </parent>
 
   <artifactId>maven-shade-plugin</artifactId>
-  <version>3.3.1</version>
+  <version>3.3.1-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven Shade Plugin</name>
@@ -47,7 +47,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/maven-shade-plugin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/maven-shade-plugin.git</developerConnection>
     <url>https://github.com/apache/maven-shade-plugin/tree/${project.scm.tag}</url>
-    <tag>maven-shade-plugin-3.3.1</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>jira</system>
@@ -71,7 +71,7 @@
     <currentVersion>${project.version}</currentVersion>
     <asmVersion>9.3</asmVersion>
     <slf4j.version>1.7.32</slf4j.version>
-    <project.build.outputTimestamp>2022-09-11T10:08:45Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2022-03-24T18:05:53Z</project.build.outputTimestamp>
   </properties>
 
   <contributors>