Update asf yaml (#3706)


* update asf.yaml
diff --git a/.asf.yaml b/.asf.yaml
index 2c440bc..4bd6dae 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -24,8 +24,8 @@
 
 github:
   description: "Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter"
-  ghp_branch:  master
-  ghp_path: ~
-  homepage: https://heron.incubator.apache.org/
+  homepage: https://heron.apache.org/
   labels:
     - heron
+    - streaming
+    - real-time