Remove version from set_cookie()

[Dreamsorcerer]

The version attribute no longer exists in https://datatracker.ietf.org/doc/html/rfc6265

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.27%. Comparing base (51ea3b3) to head (591793d).
Report is 1070 commits behind head on master.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8957      +/-   ##
==========================================
- Coverage   98.27%   98.27%   -0.01%     
==========================================
  Files         107      107              
  Lines       34226    34224       -2     
  Branches     4058     4057       -1     
==========================================
- Hits        33637    33635       -2     
  Misses        416      416              
  Partials      173      173              

Flag	Coverage Δ
CI-GHA	98.17% <ø> (-0.01%)	⬇️
OS-Linux	97.83% <ø> (-0.01%)	⬇️
OS-Windows	96.24% <ø> (-0.01%)	⬇️
OS-macOS	97.51% <ø> (-0.01%)	⬇️
Py-3.10.11	97.60% <ø> (-0.01%)	⬇️
Py-3.10.14	97.53% <ø> (-0.01%)	⬇️
Py-3.11.9	97.77% <ø> (-0.01%)	⬇️
Py-3.12.5	97.88% <ø> (-0.01%)	⬇️
Py-3.9.13	97.49% <ø> (-0.01%)	⬇️
Py-3.9.19	97.43% <ø> (-0.01%)	⬇️
Py-pypy7.3.16	97.04% <ø> (+<0.01%)	⬆️
VM-macos	97.51% <ø> (-0.01%)	⬇️
VM-ubuntu	97.83% <ø> (-0.01%)	⬇️
VM-windows	96.24% <ø> (-0.01%)	⬇️

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