Drop support for Python 3.8

[bouweandela]

Description

Drop support for Python 3.8 because NEP 29 recommends that we drop support for Python 3.8 on Apr 14, 2023.

Closes #1995

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[codecov]

Codecov Report

Merging #2053 (a9fe4c4) into main (64f7c0f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2053   +/-   ##
=======================================
  Coverage   92.79%   92.79%           
=======================================
  Files         236      236           
  Lines       12484    12484           
=======================================
  Hits        11585    11585           
  Misses        899      899           

[valeriupredoi]

yay! I had a look about and couldn't find any more mentions of Python 3.8 - I reckon we good, man - cheers 🍺

[valeriupredoi]

I'll open a reminder issue to have 3.11 in here once we deploy, good reminder, dude