feat(posthog): Add posthog log for signup failed (#3998) #13756

Job	Run time
Detect Version	3s
Test and Build / Test and Build	3m 28s
Check Docs Changes	-1s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	4m 24s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 26s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	1m 55s
Build ARM64 (GHCR Only)	-1s
Create GHCR Manifests	0s
Process Docs	0s
Create GitHub Release	0s
	15m 14s

Provide feedback