chore(deps): update pytest requirement from ==7.*,>=7.4 to ==7.* (#8)

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.0...7.4.2)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-testing.txt

@@ -1,5 +1,5 @@
 coverage[toml] >= 7.3, == 7.*
-pytest >= 7.4, == 7.*
+pytest == 7.*
 pytest-cov >= 4.1, == 4.*
 pytest-timeout >= 2.1, == 2.*
 pytest-xdist >= 3.3.1, == 3.*