docs: release notes for the v20.3.6 release #9133

Job	Run time
lint	2m 38s
build	2m 11s
build-e2e-windows-subset	2m 30s
analyze	7s
test	3m 33s
e2e-package-managers (ubuntu-latest, 22, yarn, 1)	5m 59s
e2e-package-managers (ubuntu-latest, 22, yarn, 0)	8m 18s
e2e-package-managers (ubuntu-latest, 22, pnpm, 0)	6m 14s
e2e-package-managers (ubuntu-latest, 22, pnpm, 2)	5m 52s
e2e-package-managers (ubuntu-latest, 22, yarn, 2)	7m 35s
e2e-package-managers (ubuntu-latest, 22, pnpm, 1)	4m 47s
e2e (ubuntu-latest, 22, npm, 3)	1h 5m 38s
e2e (ubuntu-latest, 22, npm, 1)	11m 50s
e2e (ubuntu-latest, 22, npm, 4)	8m 55s
e2e (ubuntu-latest, 22, npm, 2)	10m 42s
e2e (ubuntu-latest, 22, npm, 0)	11m 38s
e2e (ubuntu-latest, 22, esbuild, 0)	8m 32s
e2e (ubuntu-latest, 22, esbuild, 3)	9m 12s
e2e (ubuntu-latest, 22, esbuild, 2)	9m 10s
e2e (ubuntu-latest, 22, npm, 5)	9m 54s
e2e (ubuntu-latest, 22, esbuild, 5)	6m 50s
e2e (ubuntu-latest, 22, esbuild, 4)	6m 22s
e2e (ubuntu-latest, 22, esbuild, 1)	10m 17s
e2e-snapshots	-1s
e2e-windows-subset	5m 24s
	3h 44m 7s

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