chore(deps): update dependency next to v15.5.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
next (source)	15.5.18 → 15.5.20

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Release Notes

vercel/next.js (next)

v15.5.20

Compare Source

Contains no changes except publishing @next/swc-wasm-web which was accidentally not published since 15.5.15.

v15.5.19: 15.5.19

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• [15.5.x] Don't drop FormData entries (#​94244)

Other

• [15.5.x] Fix CI (#​94281)

Credits

Huge thanks to @​eps1lon for helping!

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