chore: Update swc_core to v0.76.37 (vercel#50311)

### What?

This PR updates `swc_core` from
swc-project/swc@ed9d316
to
swc-project/swc@ad8e6a0

### Why?

The main goal is to reduce build time. I expect
swc-project/swc#7442 to have a huge effect on
the build time.

### How?

Closes WEB-1107

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Turbopack counterpart: vercel/turbo#5094

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Co-authored-by: Tobias Koppers <tobias.koppers@googlemail.com>