feat: add experiment for sharpjs cpu flags

[styfle]

This PR adds two experimental flags to configure sharpjs settings that may improve cpu for image optimization.

[ijjk]

Tests Passed

[ijjk]

Stats from current PR

Default Build

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
buildDuration	17.8s	16.4s	N/A
buildDurationCached	15.6s	13.6s	N/A
nodeModulesSize	374 MB	374 MB	⚠️ +10.8 kB
nextStartRea..uration (ms)	435ms	430ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
4172-HASH.js gzip	45 kB	45 kB	N/A
4265-HASH.js gzip	5.27 kB	5.26 kB	N/A
7ac8fc69-HASH.js gzip	52.6 kB	52.6 kB	N/A
9045.HASH.js gzip	169 B	169 B	✓
framework-HASH.js gzip	57.4 kB	57.4 kB	N/A
main-app-HASH.js gzip	229 B	232 B	N/A
main-HASH.js gzip	32.9 kB	32.9 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	✓
Overall change	1.88 kB	1.88 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
_app-HASH.js gzip	192 B	192 B	✓
_error-HASH.js gzip	192 B	191 B	N/A
amp-HASH.js gzip	506 B	512 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.85 kB	N/A
edge-ssr-HASH.js gzip	265 B	266 B	N/A
head-HASH.js gzip	364 B	364 B	✓
hooks-HASH.js gzip	392 B	392 B	✓
image-HASH.js gzip	4.41 kB	4.41 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.78 kB	2.78 kB	N/A
routerDirect..HASH.js gzip	327 B	327 B	✓
script-HASH.js gzip	397 B	396 B	N/A
withRouter-HASH.js gzip	321 B	324 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	1.65 kB	1.65 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
_buildManifest.js gzip	751 B	749 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
index.html gzip	522 B	523 B	N/A
link.html gzip	537 B	536 B	N/A
withRouter.html gzip	518 B	519 B	N/A
Overall change	0 B	0 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
edge-ssr.js gzip	128 kB	128 kB	N/A
page.js gzip	187 kB	187 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
middleware-b..fest.js gzip	667 B	668 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31 kB	31 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
973-experime...dev.js gzip	322 B	322 B	✓
973.runtime.dev.js gzip	314 B	314 B	✓
app-page-exp...dev.js gzip	317 kB	317 kB	✓
app-page-exp..prod.js gzip	121 kB	121 kB	✓
app-page-tur..prod.js gzip	134 kB	134 kB	✓
app-page-tur..prod.js gzip	129 kB	129 kB	✓
app-page.run...dev.js gzip	308 kB	308 kB	✓
app-page.run..prod.js gzip	117 kB	117 kB	✓
app-route-ex...dev.js gzip	35.9 kB	35.9 kB	✓
app-route-ex..prod.js gzip	24.4 kB	24.4 kB	✓
app-route-tu..prod.js gzip	24.4 kB	24.4 kB	✓
app-route-tu..prod.js gzip	24.2 kB	24.2 kB	✓
app-route.ru...dev.js gzip	37.6 kB	37.6 kB	✓
app-route.ru..prod.js gzip	24.2 kB	24.2 kB	✓
pages-api-tu..prod.js gzip	9.61 kB	9.61 kB	✓
pages-api.ru...dev.js gzip	11.4 kB	11.4 kB	✓
pages-api.ru..prod.js gzip	9.61 kB	9.61 kB	✓
pages-turbo...prod.js gzip	20.9 kB	20.9 kB	✓
pages.runtim...dev.js gzip	26.5 kB	26.5 kB	✓
pages.runtim..prod.js gzip	20.9 kB	20.9 kB	✓
server.runti..prod.js gzip	58.4 kB	58.4 kB	✓
Overall change	1.46 MB	1.46 MB	✓

build cache

	vercel/next.js canary	vercel/next.js styfle/add-experiment-image-sharp	Change
0.pack gzip	1.85 MB	1.85 MB	N/A
index.pack gzip	144 kB	144 kB	N/A
Overall change	0 B	0 B	✓

Diff details

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Diff for middleware.js

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Diff for image-HASH.js

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-      const _imageconfigcontextsharedruntime = __webpack_require__(2437);
-      const _warnonce = __webpack_require__(9124);
-      const _routercontextsharedruntime = __webpack_require__(5778);
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@@ -371,7 +371,7 @@
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Diff for main-HASH.js

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Commit: 76864f1