feat(push): ring incoming calls on Apple PushKit devices (#2911)

fluxer_push/src/lib.rs

@@ -28,3 +28,9 @@ fn unix_seconds() -> i64 {
         .duration_since(std::time::UNIX_EPOCH)
         .map_or(0, |since| since.as_secs() as i64)
 }
+
+fn unix_millis() -> i64 {
+    std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .map_or(0, |since| since.as_millis() as i64)
+}