Release v1.4.1

Release v1.4.1

• Scaffolds now default to gemini-3.7-flash.
• agents-cli eval generate no longer fails to generate traces for some agents.
• agents-cli deploy now defaults to --min-instances 0 (was 1) on Agent Runtime and Cloud Run, so that idle dev and demo agents don't take up resources.
• agents-cli scaffold upgrade now creates a project backup before applying changes, just like agents-cli scaffold enhance.
• Fixed npx skills find to use the pinned skills version.
  • #72
• Fixed an arbitrary file write vulnerability in agents-cli scaffold create.
  • #50