deps(dev): bump the safe-dependencies group with 1 update

Updates the requirements on [pytest-instafail](https://github.com/pytest-dev/pytest-instafail) to permit the latest version.
- [Changelog](https://github.com/pytest-dev/pytest-instafail/blob/master/CHANGES.rst)
- [Commits](pytest-dev/pytest-instafail@v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: pytest-instafail
  dependency-type: direct:development
  dependency-group: safe-dependencies
...

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

setup.py

@@ -52,7 +52,7 @@
             'pylint-quotes==0.2.*',
             'pylint>=2.15,<3.1',
             'pytest-cov==4.0.*',
-            'pytest-instafail==0.4.*',
+            'pytest-instafail>=0.4,<0.6',
             'pytest-isort==3.1.*',
             # 'pytest-pylint==0.19.*',  #: https://github.com/carsongee/pytest-pylint/issues/180
             'pytest-watch==4.2.*',