Update sphinx2rst requirement from >=1.0 to >=1.1.0 (#144)

Updates the requirements on [sphinx2rst](https://github.com/ask/sphinx2rst) to permit the latest version.
- [Changelog](https://github.com/ask/sphinx2rst/blob/master/Changelog)
- [Commits](ask/sphinx2rst@v1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: sphinx2rst
  dependency-version: 1.1.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: Asif Saif Uddin {"Auvi":"অভি"} <auvipy@gmail.com>

Author: dependabot[bot]

requirements/pkgutils.txt

@@ -2,6 +2,6 @@ setuptools>=59.2.0
 wheel>=0.37.0
 flake8>=4.0.1
 tox>=3.24.4
-sphinx2rst>=1.0
+sphinx2rst>=1.1.0
 bumpversion
 pydocstyle