rsc: mark next head as client component

[huozhi]

Follow up of #36135

Add next/head as client component

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js support-next-head	Change
buildDuration	21.5s	21.7s	⚠️ +136ms
buildDurationCached	8s	8.2s	⚠️ +110ms
nodeModulesSize	484 MB	484 MB	⚠️ +22 B

Page Load Tests Overall increase ✓

	vercel/next.js canary	huozhi/next.js support-next-head	Change
/ failed reqs	0	0	✓
/ total time (seconds)	4.672	4.612	-0.06
/ avg req/sec	535.11	542.06	+6.95
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.273	2.122	-0.15
/error-in-render avg req/sec	1099.92	1177.92	+78

Client Bundles (main, webpack)

	vercel/next.js canary	huozhi/next.js support-next-head	Change
925.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42 kB	42 kB	✓
main-HASH.js gzip	28.3 kB	28.3 kB	✓
webpack-HASH.js gzip	1.44 kB	1.44 kB	✓
Overall change	72 kB	72 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js support-next-head	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js support-next-head	Change
_app-HASH.js gzip	1.36 kB	1.36 kB	✓
_error-HASH.js gzip	192 B	192 B	✓
amp-HASH.js gzip	309 B	309 B	✓
css-HASH.js gzip	327 B	327 B	✓
dynamic-HASH.js gzip	3.05 kB	3.05 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	920 B	920 B	✓
image-HASH.js gzip	5.73 kB	5.73 kB	✓
index-HASH.js gzip	263 B	263 B	✓
link-HASH.js gzip	2.36 kB	2.36 kB	✓
routerDirect..HASH.js gzip	320 B	320 B	✓
script-HASH.js gzip	392 B	392 B	✓
withRouter-HASH.js gzip	319 B	319 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	16 kB	16 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js support-next-head	Change
_buildManifest.js gzip	460 B	460 B	✓
Overall change	460 B	460 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js support-next-head	Change
index.html gzip	531 B	531 B	✓
link.html gzip	545 B	545 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.6 kB	1.6 kB	✓

---

Default Build with SWC (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	huozhi/next.js support-next-head	Change
buildDuration	24.1s	23.8s	-326ms
buildDurationCached	7.3s	8.1s	⚠️ +814ms
nodeModulesSize	484 MB	484 MB	⚠️ +22 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	huozhi/next.js support-next-head	Change
/ failed reqs	0	0	✓
/ total time (seconds)	4.125	4.874	⚠️ +0.75
/ avg req/sec	606.1	512.92	⚠️ -93.18
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.013	2.199	⚠️ +0.19
/error-in-render avg req/sec	1241.68	1137.03	⚠️ -104.65

Client Bundles (main, webpack)

	vercel/next.js canary	huozhi/next.js support-next-head	Change
925.HASH.js gzip	178 B	178 B	✓
framework-HASH.js gzip	42.3 kB	42.3 kB	✓
main-HASH.js gzip	28.7 kB	28.7 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	72.6 kB	72.6 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	huozhi/next.js support-next-head	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	huozhi/next.js support-next-head	Change
_app-HASH.js gzip	1.35 kB	1.35 kB	✓
_error-HASH.js gzip	179 B	179 B	✓
amp-HASH.js gzip	313 B	313 B	✓
css-HASH.js gzip	325 B	325 B	✓
dynamic-HASH.js gzip	3.03 kB	3.03 kB	✓
head-HASH.js gzip	351 B	351 B	✓
hooks-HASH.js gzip	921 B	921 B	✓
image-HASH.js gzip	5.77 kB	5.77 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	2.44 kB	2.44 kB	✓
routerDirect..HASH.js gzip	322 B	322 B	✓
script-HASH.js gzip	393 B	393 B	✓
withRouter-HASH.js gzip	317 B	317 B	✓
85e02e95b279..7e3.css gzip	107 B	107 B	✓
Overall change	16.1 kB	16.1 kB	✓

Client Build Manifests

	vercel/next.js canary	huozhi/next.js support-next-head	Change
_buildManifest.js gzip	458 B	458 B	✓
Overall change	458 B	458 B	✓

Rendered Page Sizes

	vercel/next.js canary	huozhi/next.js support-next-head	Change
index.html gzip	532 B	532 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	526 B	526 B	✓
Overall change	1.6 kB	1.6 kB	✓

Commit: b43f790