Update mock requirement from ==4.* to ==5.* (#233)

Updates the requirements on [mock](https://github.com/testing-cabal/mock) to permit the latest version.
- [Changelog](https://github.com/testing-cabal/mock/blob/master/CHANGELOG.rst)
- [Commits](testing-cabal/mock@4.0.0b1...5.1.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Maciej Dąbrowski <51504507+mdabrowski1990@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -63,7 +63,7 @@ test = [
     "pytest == 7.*",
     "pytest-cov",
     "pytest-asyncio",
-    "mock == 4.*"
+    "mock == 5.*"
 ]
 docs = [
     "sphinx",

tests/requirements_for_software_tests.txt

@@ -1,4 +1,4 @@
 pytest==7.*
 pytest-cov==3.*
 pytest-asyncio>=0.17.2
-mock==4.*
+mock==5.*