Bump fairscale from 0.4.3 to 0.4.4

Bumps [fairscale]() from 0.4.3 to 0.4.4.

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

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

Author: dependabot[bot]

setup.py

@@ -53,7 +53,7 @@
         "torch>=1.6.0,<1.11.0",
         "torchvision>=0.8.1,<0.12.0",
         "cached-path>=1.0.0,<2.0.0",
-        "fairscale==0.4.3",
+        "fairscale==0.4.4",
         "jsonnet>=0.10.0 ; sys.platform != 'win32'",
         "nltk",
         "spacy>=2.1.0,<3.3",