fix(@angular/ssr): validate host headers to prevent header-based SSRF [LTS 20] #11750

Job	Run time
lint	2m 13s
build	2m 15s
build-e2e-windows-subset	2m 31s
analyze	6s
test	2m 23s
e2e-package-managers (ubuntu-latest, 22, pnpm, 1)	2m 28s
e2e-package-managers (ubuntu-latest, 22, pnpm, 0)	2m 30s
e2e-package-managers (ubuntu-latest, 22, yarn, 2)	2m 30s
e2e-package-managers (ubuntu-latest, 22, pnpm, 2)	2m 34s
e2e-package-managers (ubuntu-latest, 22, yarn, 0)	2m 29s
e2e (ubuntu-latest, 22, esbuild, 5)	2m 31s
e2e-package-managers (ubuntu-latest, 22, yarn, 1)	2m 23s
e2e (ubuntu-latest, 22, npm, 2)	2m 34s
e2e (ubuntu-latest, 22, npm, 4)	2m 34s
e2e (ubuntu-latest, 22, esbuild, 0)	2m 29s
e2e (ubuntu-latest, 22, npm, 1)	2m 30s
e2e (ubuntu-latest, 22, npm, 3)	2m 29s
e2e (ubuntu-latest, 22, esbuild, 4)	2m 36s
e2e (ubuntu-latest, 22, esbuild, 1)	2m 26s
e2e (ubuntu-latest, 22, npm, 0)	2m 34s
e2e (ubuntu-latest, 22, esbuild, 3)	2m 34s
e2e (ubuntu-latest, 22, esbuild, 2)	2m 31s
e2e (ubuntu-latest, 22, npm, 5)	2m 30s
e2e-snapshots	0s
e2e-windows-subset	2m 3s
	56m 43s

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