HADOOP-15937. [JDK 11] Update maven-shade-plugin.version to 3.2.1. Contributed by Dinesh Chitlangia.

hadoop-project/pom.xml

@@ -135,7 +135,7 @@
     <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
     <maven-install-plugin.version>2.5.1</maven-install-plugin.version>
     <maven-resources-plugin.version>2.6</maven-resources-plugin.version>
-    <maven-shade-plugin.version>3.2.0</maven-shade-plugin.version>
+    <maven-shade-plugin.version>3.2.1</maven-shade-plugin.version>
     <maven-jar-plugin.version>2.5</maven-jar-plugin.version>
     <maven-war-plugin.version>3.1.0</maven-war-plugin.version>
     <maven-source-plugin.version>2.3</maven-source-plugin.version>