Update pytest requirement from ~=8.2 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@8.2.0...8.3.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

dev_requirements.txt

@@ -1,5 +1,5 @@
 dbt-tests-adapter~=1.8.0
 mypy==1.10.0  # patch updates have historically introduced breaking changes
 pre-commit~=3.7
-pytest~=8.2
+pytest~=8.3
 tox~=4.15