chore(deps): upgrade next.js to 16.2.4 (#4460) #16184

Job	Run time
Detect Version	4s
Test and Build / Test and Build	5m 55s
Check Docs Changes	0s
Build Dev ECR	0s
Build ARM64 (GHCR Only)	0s
Migrate Dev DB	0s
Build AMD64 (./docker/realtime.Dockerfile, ghcr.io/simstudioai/realtime, ECR_REALTIME)	1m 46s
Build AMD64 (./docker/app.Dockerfile, ghcr.io/simstudioai/simstudio, ECR_APP)	5m 10s
Build AMD64 (./docker/db.Dockerfile, ghcr.io/simstudioai/migrations, ECR_MIGRATIONS)	1m 0s
Process Docs	-1s
Create GHCR Manifests	-1s
Create GitHub Release	0s
	13m 53s

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