Can't start changefeed for azure storage sink with sink-uri azure://xxx

[fubinzh]

What did you do?

1. Start CDC changefeed, specify sink-uri azure://xxx

What did you expect to see?

Start storage sink successful

What did you see instead?

Failed to create changefeed with sink-uri azure://xxx:

bash-5.1# /cdc  cli  changefeed  create "--server=127.0.0.1:8301" "--sink-uri=azure://test/storageSink1125?xxx" "--changefeed-id=test1" "--config=/tmp/changefeed.toml"
Error: [CDC:ErrSinkURIInvalid]sink uri invalid 'protocol csv is incompatible with azure scheme'

And it is OK to create changefeed with sink-uri azblob://xxx

Versions of the cluster

bash-5.1# /cdc version
Release Version: v6.5.0-alpha
Git Commit Hash: e0bce5e
Git Branch: heads/refs/tags/v6.5.0-alpha
UTC Build Time: 2022-11-24 11:06:43
Go Version: go version go1.19.3 linux/amd64
Failpoint Build: false

[fubinzh]

/severity moderate