Update dependency tox to v4.30.3

[renovate]

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This PR contains the following updates:

Package	Change	Age	Confidence
tox (changelog)	==4.30.2 -> ==4.30.3

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Release Notes

tox-dev/tox (tox)

v4.30.3

Compare Source

What's Changed

• Isolate the test suite from any existing DEFAULT_CONFIG_FILE file by @​kurtmckee in #​3612
• Fix none config file issue 3611 by @​kurtmckee in #​3613
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci[bot] in #​3608
• Fix incorrect type annotations in PythonPathPackageWithDeps (fixes #​3607) by @​PreistlyPython in #​3616
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci[bot] in #​3615

New Contributors

• @​PreistlyPython made their first contribution in #​3616

Full Changelog: tox-dev/tox@4.30.2...4.30.3

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