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

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/download-artifact	action	major	v7 → v8
actions/upload-artifact	action	major	v6 → v7

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Release Notes

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

v8

Compare Source

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

v7

Compare Source

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Configuration

📅 Schedule: Branch creation - Only on Sunday and Saturday ( * * * * 0,6 ) (UTC), 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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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00%	✅ ∅ (target: 80.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (069955a)	3306	3206	96.98%
Head commit (dddd8ce)	3306 (+0)	3206 (+0)	96.98% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#470)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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