Update Python dependencies

Author: mdmintz

requirements.txt

@@ -28,6 +28,8 @@ msedge-selenium-tools==3.141.3
 more-itertools==5.0.0;python_version<"3.5"
 more-itertools==8.7.0;python_version>="3.5"
 cssselect==1.1.0
+filelock==3.0.12
+fasteners==0.16
 pluggy==0.13.1
 py==1.8.1;python_version<"3.5"
 py==1.10.0;python_version>="3.5"

setup.py

@@ -134,6 +134,8 @@
         'more-itertools==5.0.0;python_version<"3.5"',
         'more-itertools==8.7.0;python_version>="3.5"',
         'cssselect==1.1.0',
+        'filelock==3.0.12',
+        'fasteners==0.16',
         'pluggy==0.13.1',
         'py==1.8.1;python_version<"3.5"',
         'py==1.10.0;python_version>="3.5"',