build(deps-dev): update pytest requirement from ^7.0 to ^8.3

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@7.0.0...8.3.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -18,7 +18,7 @@ black = "^24.0.0"
 coverage = {extras = ["toml"], version = "^7.3.2"}
 flake8 = "^6.1.0"
 flake8-bugbear = "^23.3.12"
-pytest = "^7.0"
+pytest = "^8.3"
 snakemake-storage-plugin-http = {git="https://github.com/snakemake/snakemake-storage-plugin-http.git"}
 snakemake = "^8.18.0"