chore(deps): update github artifact actions (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/download-artifact	action	major	v4 -> v6
actions/upload-artifact	action	major	v4 -> v5

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Release Notes

actions/download-artifact (actions/download-artifact)

v6

Compare Source

v5

Compare Source

actions/upload-artifact (actions/upload-artifact)

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - "after 11pm every weekday,before 7am every weekday,every weekend" in timezone Europe/Brussels, 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.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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

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[github-actions]

Bump of Kairos repositories

Important

Full package list from new repo

Name	Category	Version
alpine	initrd	3.8.2-4
grub-config	static	0.11
immucore	system	0.10.0
kairos-agent	system	2.20.4
kairos-network	dracut	1.1.0
kairos-overlay-files	static	1.7.0
kairos-sysext	dracut	1.0.0
kcrypt	system	0.15.0
kcrypt-challenger	system	0.11.2
suc-upgrade	system	0.4.0
alpine	initrd	3.8.2-4
grub-config	static	0.11
immucore	fips	0.10.0
kairos-agent	fips	2.20.4
kairos-network	dracut	1.1.0
kairos-overlay-files	static	1.7.0
kairos-sysext	dracut	1.0.0
kcrypt	fips	0.15.0
kcrypt-challenger	fips	0.11.2
suc-upgrade	system	0.4.0