chore(docs): sync up README from docarray

dev-bot@jina.ai · dev-bot@jina.ai · commit 9061f03264bd · 2023-01-18T11:06:29.000Z
Signed-off-by: dev-bot@jina.ai &lt;Jina Dev Bot&gt;
diff --git a/README.md b/README.md
@@ -14,7 +14,7 @@
 
 <!-- start elevator-pitch -->
 
-> :arrow_up: **DocArray v2**: We are currently working on v2 of DocArray. Keep reading here if you are interested in the
+> ⬆️ **DocArray v2**: We are currently working on v2 of DocArray. Keep reading here if you are interested in the
 > current (stable) version, or check out the [v2 alpha branch](https://github.com/docarray/docarray/tree/feat-rewrite-v2#readme)
 > and [v2 roadmap](https://github.com/docarray/docarray/issues/780)!
 
