Docs - Update version in README (#529)

Update version in README.
2023-04-28 11:36:11 +08:00 · 2023-04-28 11:36:11 +08:00 · 664c59a14d
--- a/README.md
+++ b/README.md
@ -15,7 +15,7 @@

 __SuperBench__ is a validation and profiling tool for AI infrastructure.

-📢 [v0.7.0](https://github.com/microsoft/superbenchmark/releases/tag/v0.7.0) has been released!
+📢 [v0.8.0](https://github.com/microsoft/superbenchmark/releases/tag/v0.8.0) has been released!

 ## _Check [aka.ms/superbench](https://aka.ms/superbench) for more details._