docs: release notes for the v20.1.0 release #6693

Job	Run time
analyze	6s
lint	2m 11s
build	2m 3s
test	2m 51s
e2e-windows-subset	13m 51s
e2e (ubuntu-latest, 22, npm, 0)	10m 15s
e2e (ubuntu-latest, 22, npm, 2)	10m 32s
e2e (ubuntu-latest, 22, npm, 1)	11m 28s
e2e (ubuntu-latest, 22, npm, 3)	9m 30s
e2e (ubuntu-latest, 22, npm, 5)	9m 54s
e2e (ubuntu-latest, 22, esbuild, 2)	9m 35s
e2e (ubuntu-latest, 22, esbuild, 3)	8m 12s
e2e (ubuntu-latest, 22, esbuild, 1)	8m 28s
e2e (ubuntu-latest, 22, esbuild, 0)	6m 45s
e2e (ubuntu-latest, 22, esbuild, 4)	7m 14s
e2e-package-managers (ubuntu-latest, 22, yarn, 1)	5m 12s
e2e-package-managers (ubuntu-latest, 22, pnpm, 2)	4m 57s
e2e-package-managers (ubuntu-latest, 22, pnpm, 1)	4m 33s
e2e (ubuntu-latest, 22, esbuild, 5)	6m 6s
e2e-package-managers (ubuntu-latest, 22, pnpm, 0)	5m 39s
e2e-package-managers (ubuntu-latest, 22, yarn, 2)	6m 20s
e2e-package-managers (ubuntu-latest, 22, yarn, 0)	8m 3s
e2e (ubuntu-latest, 22, npm, 4)	7m 48s
e2e-snapshots	0s
	2h 41m 33s

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