eden: add python-filelock to getdeps build

Summary: I use it in the next diff.

Reviewed By: xavierd

Differential Revision: D32280314

fbshipit-source-id: 32d86780ae3187449fc7ceb1dc474cc7ac2d1ac1

build/fbcode_builder/manifests/eden

@@ -22,6 +22,7 @@ libgit2
 lz4
 pexpect
 python-toml
+python-filelock
 
 [dependencies.fb=on]
 rust

build/fbcode_builder/manifests/python-filelock

+[manifest]
+name = python-filelock
+
+[download]
+url = https://files.pythonhosted.org/packages/31/24/ee722b92f23b9ebd87783e893a75352c048bbbc1f67dce0d63b58b46cb48/filelock-3.3.2-py3-none-any.whl
+sha256 = bb2a1c717df74c48a2d00ed625e5a66f8572a3a30baacb7657add1d7bac4097b
+
+[build]
+builder = python-wheel