Fix swc jest pagesDir config

[ijjk]

This updates the pagesDir config for the new return shape updated in #36619, no additional tests were added as existing tests were failing from this.

x-ref: https://github.com/vercel/next.js/runs/6257712883?check_suite_focus=true
x-ref: https://github.com/vercel/next.js/runs/6257712805?check_suite_focus=true
x-ref: #36619

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
buildDuration	15.4s	15.3s	-137ms
buildDurationCached	6.2s	5.7s	-415ms
nodeModulesSize	463 MB	463 MB	⚠️ +25 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.695	3.495	-0.2
/ avg req/sec	676.54	715.21	+38.67
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.356	1.31	-0.05
/error-in-render avg req/sec	1844.02	1908.79	+64.77

Client Bundles (main, webpack)

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
925.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42 kB	42 kB	✓
main-HASH.js gzip	28.7 kB	28.7 kB	✓
webpack-HASH.js gzip	1.44 kB	1.44 kB	✓
Overall change	72.3 kB	72.3 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
_app-HASH.js gzip	1.36 kB	1.36 kB	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	308 B	308 B	✓
css-HASH.js gzip	327 B	327 B	✓
dynamic-HASH.js gzip	3.08 kB	3.08 kB	✓
head-HASH.js gzip	359 B	359 B	✓
hooks-HASH.js gzip	920 B	920 B	✓
image-HASH.js gzip	5.71 kB	5.71 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	2.64 kB	2.64 kB	✓
routerDirect..HASH.js gzip	320 B	320 B	✓
script-HASH.js gzip	391 B	391 B	✓
withRouter-HASH.js gzip	318 B	318 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	16.3 kB	16.3 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
index.html gzip	533 B	533 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	528 B	528 B	✓
Overall change	1.61 kB	1.61 kB	✓

---

Default Build with SWC (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
buildDuration	17s	16.9s	-101ms
buildDurationCached	6.1s	5.7s	-336ms
nodeModulesSize	463 MB	463 MB	⚠️ +25 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.704	3.51	-0.19
/ avg req/sec	675.02	712.25	+37.23
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.354	1.26	-0.09
/error-in-render avg req/sec	1846.82	1984.88	+138.06

Client Bundles (main, webpack)

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
925.HASH.js gzip	178 B	178 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	29.1 kB	29.1 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	73 kB	73 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
_app-HASH.js gzip	1.35 kB	1.35 kB	✓
_error-HASH.js gzip	179 B	179 B	✓
amp-HASH.js gzip	312 B	312 B	✓
css-HASH.js gzip	324 B	324 B	✓
dynamic-HASH.js gzip	3.08 kB	3.08 kB	✓
head-HASH.js gzip	357 B	357 B	✓
hooks-HASH.js gzip	921 B	921 B	✓
image-HASH.js gzip	5.76 kB	5.76 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	2.76 kB	2.76 kB	✓
routerDirect..HASH.js gzip	322 B	322 B	✓
script-HASH.js gzip	392 B	392 B	✓
withRouter-HASH.js gzip	317 B	317 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	16.5 kB	16.5 kB	✓

Client Build Manifests

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
_buildManifest.js gzip	458 B	458 B	✓
Overall change	458 B	458 B	✓

Rendered Page Sizes

	vercel/next.js canary	ijjk/next.js fix/jest-pages-dir	Change
index.html gzip	527 B	527 B	✓
link.html gzip	541 B	541 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.59 kB	1.59 kB	✓

Commit: dad408b