Run GH Action tests against python 3.11

[devPalacio]

Checklist

General Contributing

• Have you read the Code of Conduct and signed the CLA?

Is This a Code Change?

• Non-code related change (markdown/git settings etc)
• Code Change
• Example/Test Code Change

Validation

• Have you ran tox?
• Do the tests pass?

[codecov]

Codecov Report

Merging #311 (ca6eefd) into main (bdd49bc) will decrease coverage by 0.10%.
Report is 5 commits behind head on main.
The diff coverage is 61.38%.

❗ Current head ca6eefd differs from pull request most recent head ea4c6de. Consider uploading reports for the commit ea4c6de to get more accurate results

@@            Coverage Diff             @@
##             main     #311      +/-   ##
==========================================
- Coverage   52.02%   51.93%   -0.10%     
==========================================
  Files          37       37              
  Lines        8458     8415      -43     
  Branches     1810     1807       -3     
==========================================
- Hits         4400     4370      -30     
+ Misses       3741     3729      -12     
+ Partials      317      316       -1     

Flag	Coverage Δ
unit	51.93% <61.38%> (-0.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
stone/backends/helpers.py	86.36% <ø> (-0.60%)	⬇️
stone/backends/js_types.py	0.00% <0.00%> (ø)
stone/backends/obj_c.py	0.00% <0.00%> (ø)
stone/backends/obj_c_client.py	0.00% <0.00%> (ø)
stone/backends/obj_c_helpers.py	0.00% <ø> (ø)
stone/backends/obj_c_types.py	0.00% <0.00%> (ø)
stone/backends/python_types.py	35.86% <0.00%> (-0.12%)	⬇️
stone/backends/swift.py	0.00% <0.00%> (ø)
stone/backends/swift_client.py	0.00% <0.00%> (ø)
stone/backends/swift_helpers.py	0.00% <ø> (ø)
... and 24 more