docs: release notes for the v20.0.5 release #1687

Job	Run time
lint	2m 22s
build	16s
e2e_windows (windows-2025, 22, npm, 0)	1m 33s
e2e_windows (windows-2025, 22, npm, 1)	1m 34s
e2e_windows (windows-2025, 22, npm, 3)	1m 33s
e2e_windows (windows-2025, 22, npm, 2)	1m 38s
e2e_windows (windows-2025, 22, npm, 5)	1m 33s
e2e_windows (windows-2025, 22, esbuild, 3)	1m 33s
e2e_windows (windows-2025, 22, esbuild, 1)	52s
e2e_windows (windows-2025, 22, esbuild, 0)	51s
e2e_windows (windows-2025, 22, esbuild, 5)	1m 35s
e2e_windows (windows-2025, 22, esbuild, 2)	1m 35s
e2e_windows (windows-2025, 22, npm, 4)	37s
e2e_windows (windows-2025, 22, esbuild, 4)	44s
Browser Compatibility Tests	0s
test	0s
publish-snapshots	0s
e2e-package-managers	0s
e2e	0s
e2e-snapshots	0s
	18m 16s

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