feat: factor engines into global cache key #20044

Job	Run time
Determine jobs to run	23s
Build Turborepo (ubuntu, self-hosted, linux, x64, metal)	1m 30s
Build Turborepo (macos, macos-latest)	4m 6s
Build Turborepo (windows, windows-latest)	11m 20s
Rust lints	56s
Turbopack TypeScript files	0s
JS Package Tests	0s
Turborepo Examples	0s
Formatting	0s
Check next-swc	0s
Turborepo rust check	1m 20s
Turbopack rust check	0s
Turbopack Rust testing benchmarks on ${{ matrix.os.name }}	0s
Turbopack Rust testing benchmarks on linux	0s
Turbopack Rust testing on ubuntu	0s
Turbopack Rust testing on ${{ matrix.os.name }}	0s
Turbopack rust clippy	0s
Upload Test results	28s
Turborepo rust clippy	1m 25s
Turborepo Rust testing on ubuntu	2m 14s
Turborepo Rust testing on macos	6m 41s
Turborepo Rust testing on windows	18m 45s
Turborepo Integration (ubuntu-latest)	9m 55s
Turborepo Integration (macos-latest)	7m 47s
Turborepo Integration (windows-latest)	28m 31s
Ok	4s
Done	6s
Cleanup / cleanup	3s
	1h 35m 34s

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