next.js

0be280dc - Revert changing bundler for runtime bundle but keep externals fix (#75412)

Revert changing bundler for runtime bundle but keep externals fix (#75412) This reverts the bundler change part while we investigate source map issue but keeps the externals optimize preventing the runtime bundle from inflating back to over `4MB`. This reverts commit 98b0700e9746387ce63ac715d300be82100dce55 This reverts commit 04c3f0b29cbf21381202da98085b937b25689afe