chore(deps-dev): bump pytest from 7.4.0 to 8.3.4 in /bal_tools

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.4.0 to 8.3.4.
- [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...8.3.4)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

bal_tools/requirements-dev.txt

@@ -1,5 +1,5 @@
 pytest-mock
 responses
 pytest-cov
-pytest==7.4.0
+pytest==8.3.4
 black==24.3.0