Update ec2 instance types, region details, and pricing

[eric-anderson]

Changes Update ec2 instance types, region details, and pricing

Description

Files were missing recent GPU instances

• Updated tox.ini to use python3.11 since Ubuntu 23.10 doesn't have python3.8
• Ran: tox -escrape-ec2-sizes,scrape-ec2-prices
• Reverted tox.ini

Status

Replace this: done, ready for review

Checklist (tick everything that applies)

• Code linting (required, can be done after the PR checks) -- assuming nothing to do here
• Documentation -- assuming nothing to do here
• Tests -- only tested on python 3.11
• ICLA (required for bigger changes) -- assuming this doesn't count as a bigger change

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.26%. Comparing base (6f1f83d) to head (543e2a6).
Report is 5 commits behind head on trunk.

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk    #2012   +/-   ##
=======================================
  Coverage   83.26%   83.26%           
=======================================
  Files         353      353           
  Lines       81305    81305           
  Branches     8565     8565           
=======================================
  Hits        67692    67692           
  Misses      10823    10823           
  Partials     2790     2790           

Files	Coverage Δ
libcloud/compute/constants/ec2_instance_types.py	100.00% <ø> (ø)
...d/compute/constants/ec2_region_details_complete.py	100.00% <ø> (ø)
...ud/compute/constants/ec2_region_details_partial.py	100.00% <ø> (ø)

[Kami]

I re-ran the script to pull in latest data and reformatted it using black + isort - d3b979c

I also updated contribution docs to indicate that black + isort need to run after re-generating pricing data - 7779ef5

And the changes have also been merged into trunk. Thanks.