[ESLint] Adds process.exit to next lint success output

[housseindjirdeh]

This PR ensures that next lint always exits after the process is complete. This fixes #28194.

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
buildDuration	12.8s	12.8s	⚠️ +50ms
buildDurationCached	3.3s	3.3s	-31ms
nodeModulesSize	61.4 MB	61.4 MB	⚠️ +48 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.317	2.293	-0.02
/ avg req/sec	1079.1	1090.24	+11.14
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.249	1.265	⚠️ +0.02
/error-in-render avg req/sec	2002.09	1975.65	⚠️ -26.44

Client Bundles (main, webpack, commons)

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
745.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	23.2 kB	23.2 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	67.1 kB	67.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
_app-HASH.js gzip	979 B	979 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	2.67 kB	2.67 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	918 B	918 B	✓
image-HASH.js gzip	4.14 kB	4.14 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	318 B	318 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	13 kB	13 kB	✓

Client Build Manifests

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
_buildManifest.js gzip	491 B	491 B	✓
Overall change	491 B	491 B	✓

Rendered Page Sizes

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
index.html gzip	539 B	539 B	✓
link.html gzip	552 B	552 B	✓
withRouter.html gzip	535 B	535 B	✓
Overall change	1.63 kB	1.63 kB	✓

---

Webpack 4 Mode (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
buildDuration	10.7s	10.8s	⚠️ +73ms
buildDurationCached	4.5s	4.4s	-146ms
nodeModulesSize	61.4 MB	61.4 MB	⚠️ +48 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.347	2.316	-0.03
/ avg req/sec	1065.15	1079.54	+14.39
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.262	1.267	0
/error-in-render avg req/sec	1981.08	1973.12	⚠️ -7.96

Client Bundles (main, webpack, commons)

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
16.HASH.js gzip	186 B	186 B	✓
677f882d2ed8..HASH.js gzip	14.1 kB	14.1 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	68 kB	68 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
_app-HASH.js gzip	964 B	964 B	✓
_error-HASH.js gzip	3.8 kB	3.8 kB	✓
amp-HASH.js gzip	552 B	552 B	✓
css-HASH.js gzip	333 B	333 B	✓
dynamic-HASH.js gzip	2.87 kB	2.87 kB	✓
head-HASH.js gzip	3.06 kB	3.06 kB	✓
hooks-HASH.js gzip	924 B	924 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	2.98 kB	2.98 kB	✓
withRouter-HASH.js gzip	295 B	295 B	✓
30809af5c834..565.css gzip	125 B	125 B	✓
Overall change	18.1 kB	18.1 kB	✓

Client Build Manifests

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
_buildManifest.js gzip	500 B	500 B	✓
Overall change	500 B	500 B	✓

Rendered Page Sizes

	vercel/next.js canary	housseindjirdeh/next.js bug/#28194	Change
index.html gzip	585 B	585 B	✓
link.html gzip	597 B	597 B	✓
withRouter.html gzip	578 B	578 B	✓
Overall change	1.76 kB	1.76 kB	✓

Commit: 6d4bb46