async-neocities v5 / deploy-to-neocities v3.0.6

I just released a few updates to async-neocities and deploy-to-neocities.

• async-neocities v5.0.0 automates the monthly sync of supported Neocities file types.
• async-neocities v5.0.0 modernize release workflow.
• deploy-to-neocities v3.0.6 upgrades async-neocities to v5.
• deploy-to-neocities v3.0.6 upgrades domstack to v12 beta.
• deploy-to-neocities v3.0.6 modernizes release and site-maintenance tooling.
• deploy-to-neocities v3.0.6 updates build, test, and deployment dependencies.