chore(ci): optimise runners, distribute test shards #8406

Job	Run time
code-quality / code-quality	2m 0s
Detect changes	6s
internal / 🧪 Unit Tests: Internal	5m 56s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 34s
typecheck / typecheck	3m 14s
e2e / 🧪 CLI v3 tests (warp-ubuntu-latest-x64-4x - pnpm)	2m 24s
e2e / 🧪 CLI v3 tests (warp-windows-latest-x64-8x - npm)	4m 12s
e2e / 🧪 CLI v3 tests (warp-windows-latest-x64-8x - pnpm)	3m 59s
e2e / 🧪 CLI v3 tests (warp-ubuntu-latest-x64-4x - npm)	1m 52s
webapp / 🧪 Unit Tests: Webapp (7, 12)	5m 30s
webapp / 🧪 Unit Tests: Webapp (10, 12)	5m 25s
webapp / 🧪 Unit Tests: Webapp (5, 12)	7m 36s
webapp / 🧪 Unit Tests: Webapp (2, 12)	6m 8s
webapp / 🧪 Unit Tests: Webapp (1, 12)	5m 37s
webapp / 🧪 Unit Tests: Webapp (3, 12)	5m 48s
webapp / 🧪 Unit Tests: Webapp (6, 12)	5m 15s
webapp / 🧪 Unit Tests: Webapp (12, 12)	5m 27s
webapp / 🧪 Unit Tests: Webapp (4, 12)	5m 53s
webapp / 🧪 Unit Tests: Webapp (11, 12)	6m 7s
webapp / 🧪 Unit Tests: Webapp (9, 12)	5m 18s
webapp / 🧪 Unit Tests: Webapp (8, 12)	5m 29s
packages	0s
sdk-compat	0s
webapp / 📊 Merge Reports	22s
All PR Checks	6s
	1h 37m 18s

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