Bump python-dotenv from 0.21.0 to 0.21.1

Bumps [python-dotenv](https://github.com/theskumar/python-dotenv) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](theskumar/python-dotenv@v0.21.0...v0.21.1)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -4,6 +4,6 @@ psutil==5.9.4
 pyromod==1.5
 pyrogram==2.0.97
 pyrogram1==0.1.0
-python-dotenv==0.21.0
+python-dotenv==0.21.1
 telethon==1.26.1
 TgCrypto==1.2.5