chore: upgrade to tshy 4 and TypeScript 6 #6833

Job	Run time
Detect changes	7s
sdk-compat / Bun Runtime	1m 51s
e2e / 🧪 CLI v3 tests (ubuntu-latest - npm)	2m 6s
sdk-compat / Deno Runtime	1m 51s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 22s
sdk-compat / Node.js 22.12 (ubuntu-latest)	1m 53s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 7s
internal / 🧪 Unit Tests: Internal (5, 8)	5m 33s
internal / 🧪 Unit Tests: Internal (4, 8)	5m 34s
sdk-compat / Node.js 20.20 (ubuntu-latest)	1m 49s
sdk-compat / Cloudflare Workers	2m 2s
internal / 🧪 Unit Tests: Internal (2, 8)	7m 36s
e2e-webapp / 🧪 E2E Tests: Webapp	3m 21s
typecheck / typecheck	6m 5s
webapp / 🧪 Unit Tests: Webapp (4, 8)	7m 16s
webapp / 🧪 Unit Tests: Webapp (6, 8)	3m 28s
webapp / 🧪 Unit Tests: Webapp (5, 8)	5m 19s
internal / 🧪 Unit Tests: Internal (8, 8)	6m 29s
webapp / 🧪 Unit Tests: Webapp (2, 8)	4m 11s
webapp / 🧪 Unit Tests: Webapp (7, 8)	8m 31s
packages / 🧪 Unit Tests: Packages (1, 1)	11m 16s
webapp / 🧪 Unit Tests: Webapp (8, 8)	7m 31s
e2e / 🧪 CLI v3 tests (ubuntu-latest - pnpm)	2m 7s
internal / 🧪 Unit Tests: Internal (6, 8)	4m 41s
webapp / 🧪 Unit Tests: Webapp (1, 8)	6m 25s
webapp / 🧪 Unit Tests: Webapp (3, 8)	3m 9s
internal / 🧪 Unit Tests: Internal (1, 8)	6m 34s
internal / 🧪 Unit Tests: Internal (7, 8)	5m 31s
internal / 🧪 Unit Tests: Internal (3, 8)	7m 54s
internal / 📊 Merge Reports	26s
webapp / 📊 Merge Reports	47s
packages / 📊 Merge Reports	25s
All PR Checks	3s
	2h 20m 20s

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