Update all dependencies

This MR contains the following updates:

Package	Update	Change
importlib-metadata	minor	==4.11.4 -> ==4.12.0
virtualenv (source)	minor	==20.14.1 -> ==20.15.0

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Release Notes

python/importlib_metadata

v4.12.0

Compare Source

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• py-93259: Now raise ValueError when None or an empty string are passed to Distribution.from_name (and other callers).

pypa/virtualenv

v20.15.0

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What's Changed

• release 20.14.1 by @​gaborbernat in https://github.com/pypa/virtualenv/pull/2331
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci in https://github.com/pypa/virtualenv/pull/2332
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci in https://github.com/pypa/virtualenv/pull/2341
• Add dependabot by @​gaborbernat in https://github.com/pypa/virtualenv/pull/2355
• Bump actions/setup-python from 2 to 4 by @​dependabot in https://github.com/pypa/virtualenv/pull/2360
• Bump actions/checkout from 2 to 3 by @​dependabot in https://github.com/pypa/virtualenv/pull/2359
• Bump pre-commit/action from 2.0.3 to 3.0.0 by @​dependabot in https://github.com/pypa/virtualenv/pull/2358
• Bump actions/download-artifact from 2 to 3 by @​dependabot in https://github.com/pypa/virtualenv/pull/2357
• Bump actions/upload-artifact from 2 to 3 by @​dependabot in https://github.com/pypa/virtualenv/pull/2356
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci in https://github.com/pypa/virtualenv/pull/2362
• Fix broken Nushell installation in CI by @​kubouch in https://github.com/pypa/virtualenv/pull/2364
• Fixes for Windows PyPy 3.6 by @​reksar in https://github.com/pypa/virtualenv/pull/2363
• Windows embedable support by @​reksar in https://github.com/pypa/virtualenv/pull/2353
• Bump setuptools by @​gaborbernat in https://github.com/pypa/virtualenv/pull/2365

New Contributors

• @​dependabot made their first contribution in https://github.com/pypa/virtualenv/pull/2360
• @​reksar made their first contribution in https://github.com/pypa/virtualenv/pull/2363

Full Changelog: https://github.com/pypa/virtualenv/compare/20.14.1...20.15.0

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