Update pytest-env requirement from <1.2,==0.6 to ==1.1.3

Updates the requirements on [pytest-env](https://github.com/pytest-dev/pytest-env) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest-env/releases)
- [Commits](https://github.com/pytest-dev/pytest-env/commits/1.1.3)

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

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

setup.py

@@ -44,7 +44,7 @@ def read(*parts):
     'codecov==2.1.*',
     'coverage>=5.3,<7.6',
     'pytest-cov>=2.10,<5.1',
-    'pytest-env==0.6,<1.2',
+    'pytest-env==1.1.3',
     'pytest-mock>=3.11,<3.15',
     'pytest>=6.1,<8.3',
     'pycodestyle>=2.6,<2.12'