fix(@angular/build): json and json-summary as vitest coverage reporters #1654

Job	Run time
lint	2m 14s
build	2m 22s
e2e_windows (windows-2025, 22, npm, 1)	42m 23s
e2e_windows (windows-2025, 22, npm, 3)	26m 13s
e2e_windows (windows-2025, 22, npm, 2)	28m 56s
e2e_windows (windows-2025, 22, npm, 0)	31m 10s
e2e_windows (windows-2025, 22, npm, 4)	25m 25s
e2e_windows (windows-2025, 22, npm, 5)	29m 23s
e2e_windows (windows-2025, 22, esbuild, 0)	27m 30s
e2e_windows (windows-2025, 22, esbuild, 3)	26m 11s
e2e_windows (windows-2025, 22, esbuild, 5)	30m 53s
e2e_windows (windows-2025, 22, esbuild, 1)	31m 48s
e2e_windows (windows-2025, 22, esbuild, 4)	28m 6s
e2e_windows (windows-2025, 22, esbuild, 2)	27m 19s
test	1s
publish-snapshots	3m 43s
Browser Compatibility Tests	2m 43s
e2e	0s
e2e-package-managers	0s
e2e-snapshots	0s
	6h 6m 20s

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