ci: fix PR's file changed limit

[Borda]

What does this PR do?

seems that using simple request limited nb files to 30, so if PR was larger other files were ignored, see test against #2335
master response:

unittests/bases unittests/audio unittests/classification

This fix response:

unittests/bases unittests/image unittests/clustering unittests/nominal unittests/detection unittests/regression unittests/text unittests/audio unittests/classification unittests/multimodal

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📚 Documentation preview 📚: https://torchmetrics--2412.org.readthedocs.build/en/2412/