chore(deps-dev): bump the pytest group across 1 directory with 4 updates

Bumps the pytest group with 4 updates in the /backend directory: [pytest](https://github.com/pytest-dev/pytest), [pytest-django](https://github.com/pytest-dev/pytest-django), [pytest-env](https://github.com/pytest-dev/pytest-env) and [pytest-factoryboy](https://github.com/pytest-dev/pytest-factoryboy).


Updates `pytest` from 8.2.0 to 8.3.3
- [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...8.3.3)

Updates `pytest-django` from 4.8.0 to 4.9.0
- [Release notes](https://github.com/pytest-dev/pytest-django/releases)
- [Changelog](https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst)
- [Commits](pytest-dev/pytest-django@v4.8.0...v4.9.0)

Updates `pytest-env` from 1.1.3 to 1.1.5
- [Release notes](https://github.com/pytest-dev/pytest-env/releases)
- [Commits](pytest-dev/pytest-env@1.1.3...1.1.5)

Updates `pytest-factoryboy` from 2.1.0 to 2.7.0
- [Changelog](https://github.com/pytest-dev/pytest-factoryboy/blob/master/CHANGES.rst)
- [Commits](https://github.com/pytest-dev/pytest-factoryboy/commits)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pytest
- dependency-name: pytest-django
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pytest
- dependency-name: pytest-env
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: pytest
- dependency-name: pytest-factoryboy
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: pytest
...

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

backend/pyproject.toml

@@ -53,12 +53,12 @@ django-extensions = "3.2.3"
 factory-boy = "3.3.1"
 ipdb = "0.13.13"
 pdbpp = "0.10.3"
-pytest = "8.2.0"
+pytest = "8.3.3"
 pytest-cov = "5.0.0"
-pytest-django = "4.8.0"
-pytest-env = "1.1.3"
+pytest-django = "4.9.0"
+pytest-env = "1.1.5"
 # needs to stay at 2.1.0 because of wrong interpretation of parameters with "__"
-pytest-factoryboy = "2.1.0"
+pytest-factoryboy = "2.7.0"
 pytest-mock = "3.14.0"
 pytest-randomly = "3.15.0"
 requests-mock = "1.12.1"