Update dependency commons-fileupload:commons-fileupload to v1.4

Author: WhiteSource for GitHub.com

api/build.gradle

@@ -203,7 +203,7 @@ dependencies {
     compile group: "com.squareup.retrofit2", name: "converter-scalars", version: "2.3.0"
 
     // Apache Commons FileUpload
-    compile group: "commons-fileupload", name: "commons-fileupload", version: "1.3.3"
+    compile group: "commons-fileupload", name: "commons-fileupload", version: "1.4"
 
     // Simple SAML
     compile group: "com.coveo", name: "saml-client", version: "1.4.0"