Bump Bintray plug-in version

Roger Hu · Roger Hu · commit 52e39d18823a · 2018-03-31T23:49:31.000-07:00
diff --git a/build.gradle b/build.gradle
@@ -11,7 +11,7 @@ buildscript {
 }
 
 plugins {
-    id "com.jfrog.bintray" version "1.6"
+    id "com.jfrog.bintray" version "1.7.3"
 }
 
 bintray {
