update webpack

[sokra]

https://github.com/webpack/webpack/releases/tag/v5.68.0

fixes #32360

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js webpack/update	Change
buildDuration	14.5s	13.6s	-889ms
buildDurationCached	3.3s	3.2s	-32ms
nodeModulesSize	359 MB	359 MB	⚠️ +3.35 kB

Page Load Tests Overall increase ✓

	vercel/next.js canary	vercel/next.js webpack/update	Change
/ failed reqs	0	0	✓
/ total time (seconds)	5.799	3.639	-2.16
/ avg req/sec	431.1	686.95	+255.85
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.433	1.422	-0.01
/error-in-render avg req/sec	1744.22	1757.97	+13.75

Client Bundles (main, webpack, commons)

	vercel/next.js canary	vercel/next.js webpack/update	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	27.2 kB	27.2 kB	✓
webpack-HASH.js gzip	1.44 kB	1.44 kB	✓
Overall change	71 kB	71 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js webpack/update	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js webpack/update	Change
_app-HASH.js gzip	1.37 kB	1.37 kB	✓
_error-HASH.js gzip	194 B	194 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	326 B	326 B	✓
dynamic-HASH.js gzip	2.37 kB	2.37 kB	✓
head-HASH.js gzip	350 B	350 B	✓
hooks-HASH.js gzip	919 B	919 B	✓
image-HASH.js gzip	4.94 kB	4.94 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	2.19 kB	2.19 kB	✓
routerDirect..HASH.js gzip	321 B	321 B	✓
script-HASH.js gzip	383 B	383 B	✓
withRouter-HASH.js gzip	318 B	318 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	14.4 kB	14.4 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js webpack/update	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js webpack/update	Change
index.html gzip	530 B	530 B	✓
link.html gzip	543 B	543 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.6 kB	1.6 kB	✓

---

Default Build with SWC (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js webpack/update	Change
buildDuration	16.6s	18.9s	⚠️ +2.3s
buildDurationCached	3.2s	3.4s	⚠️ +139ms
nodeModulesSize	359 MB	359 MB	⚠️ +3.35 kB

Page Load Tests Overall increase ✓

	vercel/next.js canary	vercel/next.js webpack/update	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.115	2.954	-0.16
/ avg req/sec	802.59	846.24	+43.65
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.436	1.425	-0.01
/error-in-render avg req/sec	1741.31	1753.95	+12.64

Client Bundles (main, webpack, commons)

	vercel/next.js canary	vercel/next.js webpack/update	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.3 kB	42.3 kB	✓
main-HASH.js gzip	27.3 kB	27.3 kB	✓
webpack-HASH.js gzip	1.44 kB	1.44 kB	✓
Overall change	71.3 kB	71.3 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js webpack/update	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js webpack/update	Change
_app-HASH.js gzip	1.35 kB	1.35 kB	✓
_error-HASH.js gzip	180 B	180 B	✓
amp-HASH.js gzip	305 B	305 B	✓
css-HASH.js gzip	321 B	321 B	✓
dynamic-HASH.js gzip	2.36 kB	2.36 kB	✓
head-HASH.js gzip	342 B	342 B	✓
hooks-HASH.js gzip	911 B	911 B	✓
image-HASH.js gzip	4.98 kB	4.98 kB	✓
index-HASH.js gzip	256 B	256 B	✓
link-HASH.js gzip	2.21 kB	2.21 kB	✓
routerDirect..HASH.js gzip	314 B	314 B	✓
script-HASH.js gzip	375 B	375 B	✓
withRouter-HASH.js gzip	309 B	309 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	14.3 kB	14.3 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js webpack/update	Change
_buildManifest.js gzip	458 B	458 B	✓
Overall change	458 B	458 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js webpack/update	Change
index.html gzip	530 B	530 B	✓
link.html gzip	543 B	543 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.6 kB	1.6 kB	✓

Commit: 5b7a0d9

[marnixhoh]

In case someone else runs into this, this also solves the following error:

Error: Cannot find module '@babel/core'

When trying to use @svgr/webpack webpack plugin with Next 12.0.10.

Thanks for the Fix!! :D