Bump rwkv from 0.7.0 to 0.7.1

Bumps [rwkv](https://github.com/BlinkDL/ChatRWKV) from 0.7.0 to 0.7.1.
- [Release notes](https://github.com/BlinkDL/ChatRWKV/releases)
- [Commits](https://github.com/BlinkDL/ChatRWKV/commits)

---
updated-dependencies:
- dependency-name: rwkv
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -6,7 +6,7 @@ markdown
 numpy
 peft==0.2.0
 requests
-rwkv==0.7.0
+rwkv==0.7.1
 safetensors==0.3.0
 sentencepiece
 tqdm