Merge pull request #29 from bckohan/dependabot/pip/deepdiff-gte-5.2.3-and-lt-7.0.0

Update deepdiff requirement from ^5.2.3 to >=5.2.3,<7.0.0

Author: bckohan

pyproject.toml

@@ -54,7 +54,7 @@ darglint = "^1.5.7"
 pytest-cov = "^4.0.0"
 pylint = "^2.6.0"
 sphinx-argparse = "^0.3.0"
-deepdiff = "^5.2.3"
+deepdiff = ">=5.2.3,<7.0.0"
 safety = "^2.0.0"
 readme-renderer = ">=34,<38"
 pygount = "^1.2.4"