message: [next] Optimize page loading for shared lambdas
  This updates to prevent loading all pages at once for shared lambdas and waits to require the page when it's needed
  Fixes
diff: @@ -1327,7 +1327,7 @@ export const build = async ({
  ${groupPageKeys
  .map(
  page =>
  - `'${page}': require('./${path.join(
  + `'${page}': () => require('./${path.join(
  './',
  group.pages[page].pageFileName
  )}')`
  @@ -1336,7 +1336,7 @@ export const build = async ({
  ${
  '' /*
  creates a mapping of the page and the page's module e.g.
  - '/about': require('./.next/serverless/pages/about.js')
  + '/about': () => require('./.next/serverless/pages/about.js')
  */
  }
  }
  @@ -1396,7 +1396,10 @@ export const build = async ({
  res.statusCode = 500
  return res.end('internal server error')
  }
  - const method = currentPage.render || currentPage.default || currentPage
  +
  + const mod = currentPage()
  + const method = mod.render || mod.default || mod
  +
  return method(req, res)
  } catch (err) {
  console.error('Unhandled error during request:', err)
  