experiment: parallelize chmod and \r\n normalization in bun install

[Jarred-Sumner]

What does this PR do?

experiment: parallelize chmod and \r\n normalization in bun install

not really sure this is worth doing

How did you verify your code works?

[robobun]

^{Updated 1:25 AM PT - Dec 15th, 2024}

❌ @Jarred-Sumner, your commit 9cb0f37 has 12 failures in #8013:

• test/js/bun/http/serve.test.ts - 2 failing on 🍎 14 x64
• test/js/bun/http/serve.test.ts - 2 failing on 🍎 13 x64
• test/integration/next-pages/test/next-build.test.ts - 1 failing on 🍎 14 x64
• test/integration/next-pages/test/dev-server-ssr-100.test.ts - timeout on 🐧 20.04 aarch64
• test/cli/hot/hot.test.ts - timeout on 🐧 3.20 aarch64
• test/integration/next-pages/test/dev-server.test.ts - 1 failing on 🐧 3.20 x64
• test/v8/v8.test.ts - 22 failing on 🐧 3.20 aarch64
• test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64
• test/v8/v8.test.ts - timeout on 🐧 20.04 aarch64
• test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64-baseline
• test/cli/install/registry/bun-install-registry.test.ts - timeout on 🐧 22.04 aarch64
• test/cli/install/registry/bun-install-registry.test.ts - 1 failing on 🐧 3.20 x64
• test/cli/run/filter-workspace.test.ts - 1 failing on 🐧 12 x64-baseline
• test/js/bun/css/doesnt_crash.test.ts - 1 failing on 🐧 12 aarch64
• test/js/bun/css/doesnt_crash.test.ts - 1 failing on 🐧 3.20 aarch64
• test/cli/run/require-cache.test.ts - 1 failing on 🐧 24.04 aarch64
• test/cli/run/require-cache.test.ts - 1 failing on 🐧 22.04 aarch64
• test/cli/run/require-cache.test.ts - 1 failing on 🐧 20.04 aarch64
• test/cli/run/require-cache.test.ts - 1 failing on 🐧 12 x64-baseline
• test/cli/run/require-cache.test.ts - 1 failing on 🐧 22.04 x64-baseline
• test/js/node/test/parallel/test-worker-process-exit-async-module.js - code 1 on 🐧 22.04 aarch64
• test/js/node/test/parallel/test-worker-process-exit-async-module.js - code 1 on 🐧 22.04 x64
• test/js/node/fs/fs.test.ts - timeout on 🪟 2019 x64
• test/js/node/fs/fs.test.ts - timeout on 🐧 24.04 x64-baseline

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🧪   try this PR locally:

bunx bun-pr 15777