Fix document error (#1375)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

Issue link:#[Link the issue here]

### Type of change

- [x] Documentation Update

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

docs/getstarted/quickstart.md

@@ -46,7 +46,7 @@ See [Build from Source](./build_from_source.md).
 `infinity-sdk` requires Python 3.10+.
 
 ```bash
-pip3 install infinity-sdk==0.2.0.dev1
+pip3 install infinity-sdk==0.2.0.dev7
 ```
 
 ## Import necessary modules