docs: release notes for the v20.3.3 release #8733

Job	Run time
build	2m 25s
build-e2e-windows	2m 42s
lint	2m 13s
Browser Compatibility Tests	10m 50s
test	13m 11s
publish-snapshots	5m 17s
e2e-windows (windows-2025, 22, npm, 2)	17m 14s
e2e-windows (windows-2025, 22, npm, 1)	16m 51s
e2e-windows (windows-2025, 22, esbuild, 0)	12m 45s
e2e-windows (windows-2025, 22, npm, 4)	14m 19s
e2e-windows (windows-2025, 22, npm, 0)	17m 50s
e2e-windows (windows-2025, 22, npm, 5)	25m 12s
e2e-windows (windows-2025, 22, npm, 3)	17m 0s
e2e-windows (windows-2025, 22, esbuild, 1)	11m 45s
e2e-windows (windows-2025, 22, esbuild, 2)	11m 28s
e2e-windows (windows-2025, 22, esbuild, 3)	25m 19s
e2e-windows (windows-2025, 22, esbuild, 4)	10m 15s
e2e-windows (windows-2025, 22, esbuild, 5)	8m 57s
e2e	0s
e2e-snapshots	0s
e2e-package-managers	0s
	3h 45m 33s

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