v0.6.43: mothership billing idempotency, env var resolution fixes #14639

Job	Run time
Check Docs Changes	9s
Detect Version	4s
Test and Build / Test and Build	4m 29s
Build ARM64 (GHCR Only) (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio)	7m 47s
Build ARM64 (GHCR Only) (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations)	2m 27s
Build ARM64 (GHCR Only) (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime)	2m 40s
Migrate Dev DB	0s
Build Dev ECR	0s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	1m 41s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	1m 37s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	4m 7s
Create GHCR Manifests (ghcr.io/simstudioai/migrations)	15s
Create GHCR Manifests (ghcr.io/simstudioai/simstudio)	15s
Create GHCR Manifests (ghcr.io/simstudioai/realtime)	16s
Process Docs	-1s
Create GitHub Release	35s
	26m 21s

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