[backport cloud/1.40] feat: Add PostHog telemetry provider#9457

christian-byrne merged 1 commit intocloud/1.40Comfy-Org/ComfyUI_frontend:cloud/1.40from

backport-9409-to-cloud-1.40Comfy-Org/ComfyUI_frontend:backport-9409-to-cloud-1.40Copy head branch name to clipboard