Bump gradle to 6.4 to fix mac build problems

gradle/wrapper/gradle-wrapper.properties

@@ -16,6 +16,6 @@
 
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

multiplatform-crypto/build.gradle.kts

@@ -83,14 +83,15 @@ kotlin {
                 println("Destination dir ${it.compileKotlinTask.destinationDir}")
             }
         }
-        browser {
         //Until I figure out how to run headless chrome on travis
+//        browser {
+//
 //            testTask {
 //                useKarma {
 //                    useChrome()
 //                }
 //            }
-        }
+//        }
         nodejs {
             testTask {
                 useMocha() {
@@ -385,13 +386,13 @@ tasks {
         }
     }
 
-    val jsBrowserTest by getting(KotlinJsTest::class) {
+//    val jsBrowserTest by getting(KotlinJsTest::class) {
-
+//
-        testLogging {
+//        testLogging {
-            events("PASSED", "FAILED", "SKIPPED")
+//            events("PASSED", "FAILED", "SKIPPED")
-             showStandardStreams = true
+//             showStandardStreams = true
-        }
+//        }
-    }
+//    }
 
 }