[3.10] Bump typing-extensions to 4.12.2

[bdraco]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.78%. Comparing base (84c25b7) to head (d18f404).
Report is 134 commits behind head on 3.10.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.10    #9282   +/-   ##
=======================================
  Coverage   97.78%   97.78%           
=======================================
  Files         108      108           
  Lines       34840    34840           
  Branches     4164     4164           
=======================================
  Hits        34070    34070           
  Misses        573      573           
  Partials      197      197           

Flag	Coverage Δ
CI-GHA	97.68% <ø> (ø)
OS-Linux	97.36% <ø> (ø)
OS-Windows	94.96% <ø> (ø)
OS-macOS	97.06% <ø> (ø)
Py-3.10.11	97.04% <ø> (ø)
Py-3.10.15	96.98% <ø> (ø)
Py-3.11.10	96.94% <ø> (ø)
Py-3.11.9	97.02% <ø> (+<0.01%)	⬆️
Py-3.12.6	97.41% <ø> (ø)
Py-3.8.10	94.48% <ø> (ø)
Py-3.8.18	96.77% <ø> (ø)
Py-3.9.13	96.95% <ø> (+<0.01%)	⬆️
Py-3.9.20	96.90% <ø> (ø)
Py-pypy7.3.16	96.50% <ø> (ø)
VM-macos	97.06% <ø> (ø)
VM-ubuntu	97.36% <ø> (ø)
VM-windows	94.96% <ø> (ø)

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