Fix fairseq2 README link in main README. (#224)

README.md

@@ -64,7 +64,7 @@ The Seamless model is the unified model for expressive streaming speech-to-speec
 > One of the prerequisites is [fairseq2](https://github.com/facebookresearch/fairseq2) which has pre-built packages available only
 > for Linux x84-86 and Apple-silicon Mac computers. In addition it has a dependency on [libsndfile](https://github.com/libsndfile/libsndfile) which
 > might not be installed on your machine. If you experience any installation issues, please refer to its
-> [README](https://github.com/facebookresearch/fairseq2/tree/v0.1.1) for further instructions.
+> [README](https://github.com/facebookresearch/fairseq2) for further instructions.
 
 ```
 pip install .