update webpack to 5.49.0

[sokra]

https://github.com/webpack/webpack/releases/tag/v5.49.0

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/webpack	Change
buildDuration	16.3s	16.2s	-101ms
buildDurationCached	3.7s	3.5s	-161ms
nodeModulesSize	50.2 MB	50.2 MB	⚠️ +35 kB

Page Load Tests Overall increase ✓

	vercel/next.js canary	vercel/next.js update/webpack	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.893	2.863	-0.03
/ avg req/sec	864.3	873.17	+8.87
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.761	1.763	0
/error-in-render avg req/sec	1419.74	1417.72	⚠️ -2.02

Client Bundles (main, webpack, commons)

	vercel/next.js canary	vercel/next.js update/webpack	Change
745.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	23.1 kB	23.1 kB	✓
webpack-HASH.js gzip	1.5 kB	1.5 kB	✓
Overall change	67 kB	67 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js update/webpack	Change
polyfills-HASH.js gzip	31.1 kB	31.1 kB	✓
Overall change	31.1 kB	31.1 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js update/webpack	Change
_app-HASH.js gzip	980 B	980 B	✓
_error-HASH.js gzip	194 B	194 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	329 B	329 B	✓
dynamic-HASH.js gzip	2.52 kB	2.52 kB	✓
head-HASH.js gzip	350 B	350 B	✓
hooks-HASH.js gzip	904 B	904 B	✓
image-HASH.js gzip	4.12 kB	4.12 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	319 B	319 B	✓
script-HASH.js gzip	387 B	387 B	✓
withRouter-HASH.js gzip	320 B	320 B	✓
bb14e60e810b..30f.css gzip	125 B	125 B	✓
Overall change	12.8 kB	12.8 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js update/webpack	Change
_buildManifest.js gzip	490 B	490 B	✓
Overall change	490 B	490 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js update/webpack	Change
index.html gzip	531 B	531 B	✓
link.html gzip	542 B	542 B	✓
withRouter.html gzip	523 B	523 B	✓
Overall change	1.6 kB	1.6 kB	✓

---

Webpack 4 Mode (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/webpack	Change
buildDuration	12.6s	12.7s	⚠️ +92ms
buildDurationCached	4.9s	4.9s	⚠️ +40ms
nodeModulesSize	50.2 MB	50.2 MB	⚠️ +35 kB

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	vercel/next.js update/webpack	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.866	2.871	0
/ avg req/sec	872.37	870.67	⚠️ -1.7
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.763	1.777	⚠️ +0.01
/error-in-render avg req/sec	1418.37	1406.98	⚠️ -11.39

Client Bundles (main, webpack, commons)

	vercel/next.js canary	vercel/next.js update/webpack	Change
17.HASH.js gzip	185 B	185 B	✓
677f882d2ed8..HASH.js gzip	14 kB	14 kB	✓
framework.HASH.js gzip	41.9 kB	41.9 kB	✓
main-HASH.js gzip	10.6 kB	10.6 kB	✓
webpack-HASH.js gzip	1.19 kB	1.19 kB	✓
Overall change	67.8 kB	67.8 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js update/webpack	Change
polyfills-HASH.js gzip	31.3 kB	31.3 kB	✓
Overall change	31.3 kB	31.3 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js update/webpack	Change
_app-HASH.js gzip	965 B	965 B	✓
_error-HASH.js gzip	3.71 kB	3.71 kB	✓
amp-HASH.js gzip	552 B	552 B	✓
css-HASH.js gzip	333 B	333 B	✓
dynamic-HASH.js gzip	2.71 kB	2.71 kB	✓
head-HASH.js gzip	2.97 kB	2.97 kB	✓
hooks-HASH.js gzip	911 B	911 B	✓
index-HASH.js gzip	231 B	231 B	✓
link-HASH.js gzip	1.64 kB	1.64 kB	✓
routerDirect..HASH.js gzip	298 B	298 B	✓
script-HASH.js gzip	2.94 kB	2.94 kB	✓
withRouter-HASH.js gzip	294 B	294 B	✓
e025d2764813..52f.css gzip	125 B	125 B	✓
Overall change	17.7 kB	17.7 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js update/webpack	Change
_buildManifest.js gzip	498 B	498 B	✓
Overall change	498 B	498 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js update/webpack	Change
index.html gzip	576 B	576 B	✓
link.html gzip	589 B	589 B	✓
withRouter.html gzip	570 B	570 B	✓
Overall change	1.74 kB	1.74 kB	✓

Commit: ba10bd2