Use Pybind11 3.0.4 to build dpnp

[antonwolfy]

The PR updates CMakeLists.txt to bump pybind11 3.0.4 up from 3.0.3 version.

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[vlad-perevezentsev]

LGTM
Thank you @antonwolfy

[coveralls]

coverage: 78.429%. remained the same — bump-pybind11-version-to-v3.0.4 into master

[github-actions]

Array API standard conformance tests for dpnp=0.20.0dev6=py313h509198e_16 ran successfully.
Passed: 1357
Failed: 3
Skipped: 16

[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/index.html