Rename `pipeline` to `tasks`. #20002

Job	Run time
Determine jobs to run	26s
Build Turborepo (ubuntu, self-hosted, linux, x64, metal)	2m 6s
Build Turborepo (macos, macos-latest)	2m 2s
Rust lints	1m 14s
Build Turborepo (windows, windows-latest)	6m 7s
JS Package Tests	0s
Turbopack TypeScript files	0s
Formatting	1m 2s
Turborepo Examples	0s
Check next-swc	0s
Turbopack rust check	0s
Turborepo rust check	1m 21s
Turbopack Rust testing benchmarks on ${{ matrix.os.name }}	0s
Turbopack rust clippy	0s
Turbopack Rust testing benchmarks on linux	0s
Turbopack Rust testing on ubuntu	0s
Turbopack Rust testing on ${{ matrix.os.name }}	0s
Upload Test results	29s
Turborepo rust clippy	1m 24s
Turborepo Rust testing on ubuntu	2m 14s
Turborepo Rust testing on macos	6m 46s
Turborepo Rust testing on windows	18m 59s
Turborepo Integration (ubuntu-latest)	7m 50s
Turborepo Integration (macos-latest)	2m 44s
Turborepo Integration (windows-latest)	5m 37s
Ok	3s
Done	5s
Cleanup / cleanup	3s
	1h 0m 32s

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