deprecation notice: v1, v2, and v3 of the artifact github actions

[sarcasticadmin]

Description

Relates to: #812

Following message was received in actions: https://github.com/socallinuxexpo/scale-network/actions/runs/12993484680

Deprecation notice: v1, v2, and v3 of the artifact actions
The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "ath79-openwrt-build-artifacts", "ath79-openwrt-buildlog", "mt7622-openwrt-build-artifacts", "mt7622-openwrt-buildlog".
Please update your workflow to use v4 of the artifact actions.
Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

AC

• Update to v4 artifact actions before Jan 30 2025
• Confirm builds still work as expected

[sarcasticadmin]

Actual notice (4/16/2024): https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/