Update hynek/build-and-inspect-python-package action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hynek/build-and-inspect-python-package	action	major	v2 → v3.0.1

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Release Notes

hynek/build-and-inspect-python-package (hynek/build-and-inspect-python-package)

v3.0.1

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Fixed

• To avoid uv configuration interference with the project that is being built, the installation of our own tools is now ran in a different directory. Additionally, UV_EXCLUDE_NEWER is unset. #​240

v3.0.0

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Security

• Given the increase and supply-chain attacks and advancements in tooling (for example, pinact or GitHub's Dependabot), this action will stop force-tagging minor and micro releases. This means, there will be no @v3 or @v3.0 tag that gets updated and force-pushed with each update. Always tag with the full version and commit hash; use Zizmor to secure your actions if you can.

Changed

• Only updates of actions and build dependencies, notably including Twine 7 that adds support for packaging metadata 2.5 and PEP 794 – Import Name Metadata.

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