[EXP-12-214] Consider upgrading to python 3.10

[yearn-linear-gh-sync]

check if it's feasible to bump the python requirement to 3.10, which gives up pattern matching and some performance improvements.

there were some incompatible libraries which have upgraded since

• https://github.com/ponyorm/pony/releases/tag/v0.7.15rc1
• https://github.com/psf/black/releases/tag/21.12b0

need to check if there are other problems.

[banteg]

waiting on vyper support, which waits on a new web3py release
vyperlang/vyper#2549

[banteg]

https://pyreadiness.org/3.10/

[willianpaixao]

All dependencies above mentioned were updated and now support Python 3.10.

• https://github.com/ponyorm/pony/releases/tag/v0.7.15
• https://github.com/psf/black/releases/tag/21.12b0
• vyperlang/vyper@v0.3.1...v0.3.2

cc @banteg @mariuspod

[mariuspod]

@willianpaixao that's great thanks for letting us know! I'll check it out.

[BobTheBuidler]

This was completed in #510 , closing