Merge pull request #488 from ExaWorks/dependabot/pip/filelock-lte-3.15.4-and-gte-3.15.4

Update filelock requirement from <=3.15,>=3.4 to <=3.15.4,>=3.15.4

Author: hategan

requirements-tests.txt

@@ -7,4 +7,4 @@ pytest >= 6.2.0
 requests >= 2.25.1
 pytest-cov
 pytest-timeout
-filelock >= 3.4, <= 3.15
+filelock >= 3.4, < 3.16