upgrade flyme push to 4.3.0 (#245)

Author: jwfing

android-sdk/mixpush-meizu/build.gradle

@@ -67,7 +67,7 @@ dependencies {
 
     implementation("cn.leancloud:realtime-core:${rootProject.ext.sdkVersion}")
 
-    implementation 'com.meizu.flyme.internet:push-internal:4.1.4'
+    implementation 'com.meizu.flyme.internet:push-internal:4.3.0'
 
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test:runner:1.1.0'