HADOOP-19296. [JDK17] Upgrade maven-war-plugin to 3.4.0. (#7086) Contributed by Shilun Fan.

Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
Reviewed-by: Cheng Pan <chengpan@apache.org>
Signed-off-by: Shilun Fan <slfan1989@apache.org>

hadoop-project/pom.xml

@@ -184,7 +184,7 @@
     <maven-resources-plugin.version>2.6</maven-resources-plugin.version>
     <maven-shade-plugin.version>3.6.0</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-war-plugin.version>3.4.0</maven-war-plugin.version>
     <maven-source-plugin.version>2.3</maven-source-plugin.version>
     <maven-pdf-plugin.version>1.2</maven-pdf-plugin.version>
     <maven-remote-resources-plugin.version>1.5</maven-remote-resources-plugin.version>