update deps (#1663) [skip ci]

* update deps and tweak logic so axolotl is pip installable

* use vcs url format

* using dependency_links isn't supported per docs)

requirements.txt

@@ -1,7 +1,7 @@
 --extra-index-url https://huggingface.github.io/autogptq-index/whl/cu118/
 packaging==23.2
-peft==0.10.0
-transformers==4.40.2
+peft==0.11.1
+transformers==4.41.1
 tokenizers==0.19.1
 bitsandbytes==0.43.1
 accelerate==0.30.1
@@ -16,7 +16,7 @@ flash-attn==2.5.8
 sentencepiece
 wandb
 einops
-xformers==0.0.23.post1
+xformers==0.0.26.post1
 optimum==1.16.2
 hf_transfer
 colorama
@@ -39,6 +39,6 @@ s3fs
 gcsfs
 # adlfs
 
-trl==0.8.5
+trl==0.8.6
 zstandard==0.22.0
 fastcore