Log slow lifecycle scripts

[Jarred-Sumner]

What does this PR do?

[Scripts] Starting scripts for "my-slow-package"
$ sleep 10
warn: my-slow-package's postinstall has costed you 5.9s

Checked 503 installs across 500 packages (no changes) [10.07s]
[Scripts] Finished scripts for "my-slow-package"

How did you verify your code works?

[robobun]

^{Updated 12:07 AM PT - Dec 28th, 2024}

❌ @Jarred-Sumner, your commit ee31a53 has 1 failures in #8626:

• test/js/bun/http/serve-body-leak.test.ts - timeout on 🪟 2019 x64-baseline
• test/js/bun/http/serve-body-leak.test.ts - timeout on 🪟 2019 x64

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🧪   try this PR locally:

bunx bun-pr 16027