HADOOP-17813. Checkstyle - Allow line length: 100

Signed-off-by: Sean Busbey <busbey@apache.org>

hadoop-build-tools/src/main/resources/checkstyle/checkstyle.xml

@@ -69,7 +69,9 @@
 
     <!-- Checks for line length violations.                                 -->
     <!-- See https://checkstyle.sourceforge.io/config_sizes.html#LineLength -->
-    <module name="LineLength"/>
+    <module name="LineLength">
+        <property name="max" value="100"/>
+    </module>
 
     <module name="TreeWalker">