put peft in requirements

Author: patrickvonplaten

setup.py

@@ -112,6 +112,7 @@
     "numpy",
     "omegaconf",
     "parameterized",
+    "peft==~0.6",
     "protobuf>=3.20.3,<4",
     "pytest",
     "pytest-timeout",
@@ -201,6 +202,7 @@ def run(self):
 extras["quality"] = deps_list("urllib3", "black", "isort", "ruff", "hf-doc-builder")
 extras["docs"] = deps_list("hf-doc-builder")
 extras["training"] = deps_list("accelerate", "datasets", "protobuf", "tensorboard", "Jinja2")
+extras["peft"] = deps_list("peft")
 extras["test"] = deps_list(
     "compel",
     "datasets",