Bump commons-fileupload version from 1.5 to 1.6 in pom.xml (#51)

Author: meruyert93

rai-sdk/pom.xml

@@ -43,7 +43,7 @@
         <dependency>
             <groupId>commons-fileupload</groupId>
             <artifactId>commons-fileupload</artifactId>
-            <version>1.5</version>
+            <version>1.6</version>
         </dependency>
         <dependency>
             <groupId>org.apache.arrow</groupId>