Add label to trigger TPU tests manually.

[hertschuh]

Adding the "run_tpu_tests" label will now trigger TPU tests regardless of approval status.

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.27%. Comparing base (846a297) to head (8abdf4d).
⚠️ Report is 6 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (846a297) and HEAD (8abdf4d). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (846a297)	HEAD (8abdf4d)
keras	5	4
keras-tensorflow	1	0

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #21897      +/-   ##
==========================================
- Coverage   82.56%   76.27%   -6.30%     
==========================================
  Files         578      579       +1     
  Lines       59786    59917     +131     
  Branches     9384     9403      +19     
==========================================
- Hits        49365    45703    -3662     
- Misses       8001    11748    +3747     
- Partials     2420     2466      +46     

Flag	Coverage Δ
keras	76.14% <ø> (-6.24%)	⬇️
keras-jax	62.70% <ø> (-0.19%)	⬇️
keras-numpy	57.36% <ø> (-0.10%)	⬇️
keras-openvino	34.29% <ø> (-0.05%)	⬇️
keras-tensorflow	?
keras-torch	63.29% <ø> (-0.31%)	⬇️

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