out-of-sync repos

[PhotonQuantum]

1. openwrt - upstream url change

• PR created (lug: fix openwrt upstream url #465)
• Initial sync (in-progress, blocking)
• Merge PR lug: fix openwrt upstream url #465 (do not merge before lug: elan update #464)

2. ubuntu-cdimage - lagging behind

• Catch up by syncing from tuna
• Sync again from upstream (soooooo sloooooooow!!!!!)
• Merge PR: Switching upstream to tuna (lug: sync ubuntu-cdimage from tuna #468)
• Deploy all previous PRs and restart lug service (lug: elan update #464 will be applied at this moment)

3. linuxbrew-core - upstream gone

• Inform users about the change through news.
• PR: Remove config entry (lug: remove linuxbrew-core #466) (also Remove homebrew-cask-drivers, homebrew-cask-fonts and homebrew-cask-versions mirror-requests#359)
• Deploy and restart lug service
• Delete folder

3. ubuntukylin and ubuntukylin-cdimage - authentication required

• PR: support secrets in lug config (lug: support secret values in lug config #460)
• Deploy and check if anything breaks
• PR: update siyuan config to include passwords
• Update secrets
• Initial sync
• Deploy and restart lug service