perf(ci): speed up unit tests with LPT sharding + container scoping #6897

Job	Run time
Detect changes	5s
packages / 🧪 Unit Tests: Packages (2, 3)	2m 51s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 12s
typecheck / typecheck	3m 3s
packages / 🧪 Unit Tests: Packages (1, 3)	2m 41s
packages / 🧪 Unit Tests: Packages (3, 3)	3m 57s
internal / 🧪 Unit Tests: Internal (1, 12)	2m 38s
internal / 🧪 Unit Tests: Internal (2, 12)	2m 19s
internal / 🧪 Unit Tests: Internal (9, 12)	2m 17s
internal / 🧪 Unit Tests: Internal (3, 12)	2m 8s
internal / 🧪 Unit Tests: Internal (5, 12)	2m 23s
internal / 🧪 Unit Tests: Internal (12, 12)	39s
internal / 🧪 Unit Tests: Internal (6, 12)	2m 8s
internal / 🧪 Unit Tests: Internal (4, 12)	2m 9s
internal / 🧪 Unit Tests: Internal (11, 12)	2m 18s
internal / 🧪 Unit Tests: Internal (10, 12)	1m 41s
webapp / 🧪 Unit Tests: Webapp (5, 10)	2m 32s
webapp / 🧪 Unit Tests: Webapp (2, 10)	2m 30s
internal / 🧪 Unit Tests: Internal (8, 12)	2m 8s
internal / 🧪 Unit Tests: Internal (7, 12)	2m 10s
webapp / 🧪 Unit Tests: Webapp (3, 10)	2m 44s
webapp / 🧪 Unit Tests: Webapp (4, 10)	2m 27s
webapp / 🧪 Unit Tests: Webapp (6, 10)	2m 33s
webapp / 🧪 Unit Tests: Webapp (1, 10)	2m 45s
webapp / 🧪 Unit Tests: Webapp (7, 10)	2m 39s
webapp / 🧪 Unit Tests: Webapp (10, 10)	2m 37s
webapp / 🧪 Unit Tests: Webapp (8, 10)	2m 43s
webapp / 🧪 Unit Tests: Webapp (9, 10)	2m 29s
e2e	0s
sdk-compat	0s
internal / 📊 Merge Reports	13s
webapp / 📊 Merge Reports	15s
packages / 📊 Merge Reports	13s
All PR Checks	3s
	1h 7m 30s

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