next.js

e5d296c4 - fix(turbopack): Restore `sources` field in the source map (#80337)

fix(turbopack): Restore `sources` field in the source map (#80337) ### What? Restore the `sources` field by picking up https://github.com/kdy1/rust-sourcemap/commit/27e1bf8b92498425fbc6e2f31d2f755b6ae94f19 ### Why? It's expected to be exist