Bump pydantic[dotenv] from 1.8 to 1.8.1 (#3)

Bumps [pydantic[dotenv]](https://github.com/samuelcolvin/pydantic) from 1.8 to 1.8.1.
- [Release notes](https://github.com/samuelcolvin/pydantic/releases)
- [Changelog](https://github.com/samuelcolvin/pydantic/blob/master/HISTORY.md)
- [Commits](pydantic/pydantic@v1.8...v1.8.1)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ quart==0.14.1
 quart-auth==0.4.0
 tortoise-orm==0.17.1
 hypercorn==0.11.2
-pydantic[dotenv]==1.8
+pydantic[dotenv]==1.8.1
 markdown==3.3.4
 # this is optional
 python-rapidjson==1.0