ci(github-actions): update github-actions to v6 (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 -> v6
actions/checkout	action	major	v2 -> v6
actions/setup-node	action	major	v4 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

v5

Compare Source

actions/setup-node (actions/setup-node)

v6

Compare Source

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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• If you want to rebase/retry this PR, check this box

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This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

📊 Package size report   No changes

File	Before (Size / Gzip)	After (Size / Gzip)
Total (Includes all files)	42.8 kB / 17.3 kB	42.8 kB / 17.3 kB
Tarball size	11.8 kB	-0.02%↓11.8 kB

Unchanged files

File	Size (Size / Gzip)
dist/index.cjs	11.7 kB / 4.9 kB
dist/index.d.cts	3.9 kB / 1.5 kB
dist/index.d.mts	3.9 kB / 1.5 kB
dist/index.mjs	11.7 kB / 4.9 kB
LICENSE	1.1 kB / 667 B
package.json	1.5 kB / 683 B
README.md	9.0 kB / 3.2 kB

_{🤖 This report was automatically generated by pkg-size-action}