allow to give a chunking context a name #19399

Job	Run time
Determine jobs to run	22s
Check next-swc	45s
JS Package Tests	0s
Formatting	0s
Build Turborepo	0s
Rust lints	53s
Turbopack rust check	1m 18s
Turbopack TypeScript files	0s
Turborepo Examples	0s
Turborepo rust check	0s
Turborepo Integration	0s
Turborepo rust clippy	0s
Turborepo Rust testing on ${{ matrix.os.name }}	0s
Turbopack Rust testing on ubuntu	4m 13s
Turbopack rust clippy	1m 56s
Turbopack Rust testing on macos	20m 31s
Turbopack Rust testing on windows	30m 4s
Turbopack Rust testing benchmarks on linux / Test	2m 20s
Turbopack Rust testing benchmarks on macos / Test	41m 58s
Ok	6s
Upload Test results	34s
Done	3s
Cleanup / cleanup	2s
	1h 45m 5s

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