Update to Kotlin 1.3.72

buildSrc/src/main/kotlin/Versions.kt

@@ -13,7 +13,7 @@ object Versions {
     }
 
     object Kotlin {
-        const val stdlib = "1.3.71"
+        const val stdlib = "1.3.72"
         const val coroutines = "1.3.5" // isn't used
         const val atomicFU = "0.14.2"
         const val serialization = "0.20.0"