HADOOP-17844. Upgrade JSON smart to 2.4.7 (#3299)

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit b90389ae9840ccfdcab411e286547895a647feed)

 Conflicts:
	LICENSE-binary

hadoop-project/pom.xml

@@ -186,7 +186,7 @@
     <junit.version>4.13.2</junit.version>
     <assertj.version>3.12.2</assertj.version>
     <woodstox.version>5.3.0</woodstox.version>
-    <json-smart.version>2.4.2</json-smart.version>
+    <json-smart.version>2.4.7</json-smart.version>
     <nimbus-jose-jwt.version>9.8.1</nimbus-jose-jwt.version>
   </properties>