chore(deps-dev): update mock requirement from ~=4.0 to ~=5.0 (#812)

Updates the requirements on [mock](https://github.com/testing-cabal/mock) to permit the latest version.
- [Release notes](https://github.com/testing-cabal/mock/releases)
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](testing-cabal/mock@4.0.0...5.0.0)

---
updated-dependencies:
- dependency-name: mock
  dependency-type: direct:development
...

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Author: dependabot[bot]

Pipfile

@@ -8,7 +8,7 @@ black = "~=22.12.0"
 httpretty = "~=1.1"
 isort = "~=5.11"
 mypy = "~=0.991"
-mock = "~=4.0"
+mock = "~=5.0"
 pre-commit = "~=2.21"
 pylint = "~=2.15.9"
 pytest = "~=7.2"