Upgrade to Kotlin 1.3.70

wilkinsona · wilkinsona · commit 015668e9c47f · 2020-03-10T20:07:22.000Z
Closes gh-20477
diff --git a/gradle.properties b/gradle.properties
@@ -4,4 +4,4 @@ org.gradle.caching=true
 org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx2g
 
-kotlinVersion=1.3.61
+kotlinVersion=1.3.70
