Bump idna from 3.4 to 3.7

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](https://github.com/kjd/idna/compare/v3.4...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

remove useless and problematic float

various bug fixes and improvements

better documentation

upgrade python-telegram-bot library

Update README.md

Create README.md

fix bonus rounding

minor cleanup and corrections

increase mutation rarity

fix mutations

major code refactor

major code cleanup

better status strings

add owner info as link

major code cleanup

restore mutations

refresh instead of sending new messages on inline buttons

start plant without water

added plant names

can now water other people's plants

removed /harvest command

initial coommit