Update python-dotenv[cli] requirement from ~=1.0 to ~=1.1 (#287)

Updates the requirements on [python-dotenv[cli]](https://github.com/theskumar/python-dotenv) to permit the latest version.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: python-dotenv[cli]
  dependency-type: direct:production
...

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docs/notebooks/requirements.txt

@@ -3,5 +3,5 @@
 #
 jupyter~=1.1.1
 jupyter-console~=6.6
-python-dotenv[cli]~=1.0
+python-dotenv[cli]~=1.1