Update vector-quantize-pytorch requirement from 1.1.5 to 1.8.1

Updates the requirements on [vector-quantize-pytorch](https://github.com/lucidrains/vector-quantizer-pytorch) to permit the latest version.
- [Release notes](https://github.com/lucidrains/vector-quantizer-pytorch/releases)
- [Commits](lucidrains/vector-quantize-pytorch@1.1.5...1.8.1)

---
updated-dependencies:
- dependency-name: vector-quantize-pytorch
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -32,7 +32,7 @@ datasets = "*"
 lion-pytorch = "*"
 sentencepiece = "*"
 colt5-attention = "0.10.14"
-vector-quantize-pytorch = "1.1.5"
+vector-quantize-pytorch = "1.8.1"
 tokenmonster = "*"
 scipy = "*"
 beartype = "*"