chore: fix CONTRIBUTING.md setup steps and scope db:seed to webapp (#… #3027

Job	Run time
units / packages / 🧪 Unit Tests: Packages (1, 1)	9m 3s
typecheck / typecheck	6m 34s
units / e2e-webapp / 🧪 E2E Tests: Webapp	3m 18s
units / internal / 🧪 Unit Tests: Internal (7, 8)	7m 20s
units / webapp / 🧪 Unit Tests: Webapp (1, 8)	5m 53s
units / internal / 🧪 Unit Tests: Internal (6, 8)	6m 32s
units / internal / 🧪 Unit Tests: Internal (8, 8)	2m 37s
units / webapp / 🧪 Unit Tests: Webapp (7, 8)	2m 45s
units / webapp / 🧪 Unit Tests: Webapp (5, 8)	4m 21s
units / internal / 🧪 Unit Tests: Internal (2, 8)	12m 23s
units / internal / 🧪 Unit Tests: Internal (1, 8)	6m 41s
units / internal / 🧪 Unit Tests: Internal (3, 8)	8m 39s
units / internal / 🧪 Unit Tests: Internal (4, 8)	6m 4s
units / internal / 🧪 Unit Tests: Internal (5, 8)	6m 30s
units / webapp / 🧪 Unit Tests: Webapp (8, 8)	8m 26s
units / webapp / 🧪 Unit Tests: Webapp (4, 8)	6m 37s
units / webapp / 🧪 Unit Tests: Webapp (6, 8)	8m 18s
units / webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 16s
units / webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 13s
publish-worker-v4 / build (supervisor)	2m 44s
publish-webapp / publish	6m 35s
publish-worker / build (docker-provider)	1m 9s
publish-worker / build (coordinator)	1m 45s
publish-worker / build (kubernetes-provider)	58s
units / webapp / 📊 Merge Reports	1m 3s
units / packages / 📊 Merge Reports	28s
units / internal / 📊 Merge Reports	31s
	2h 14m 43s

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