docs: release notes for the v20.3.9 release #9657

Job	Run time
lint	2m 40s
analyze	7s
build-e2e-windows-subset	2m 10s
build	2m 12s
e2e-windows-subset	4m 30s
test	3m 29s
e2e-package-managers (ubuntu-latest, 22, yarn, 1)	6m 12s
e2e-package-managers (ubuntu-latest, 22, yarn, 2)	6m 13s
e2e-package-managers (ubuntu-latest, 22, pnpm, 0)	6m 9s
e2e-package-managers (ubuntu-latest, 22, pnpm, 1)	4m 49s
e2e (ubuntu-latest, 22, npm, 0)	11m 13s
e2e-package-managers (ubuntu-latest, 22, pnpm, 2)	5m 57s
e2e (ubuntu-latest, 22, npm, 3)	8m 45s
e2e (ubuntu-latest, 22, npm, 1)	11m 50s
e2e (ubuntu-latest, 22, esbuild, 1)	10m 15s
e2e-package-managers (ubuntu-latest, 22, yarn, 0)	8m 31s
e2e (ubuntu-latest, 22, esbuild, 2)	8m 55s
e2e (ubuntu-latest, 22, esbuild, 3)	8m 26s
e2e (ubuntu-latest, 22, npm, 4)	8m 50s
e2e (ubuntu-latest, 22, npm, 2)	11m 1s
e2e (ubuntu-latest, 22, npm, 5)	9m 56s
e2e (ubuntu-latest, 22, esbuild, 5)	7m 13s
e2e (ubuntu-latest, 22, esbuild, 0)	8m 38s
e2e (ubuntu-latest, 22, esbuild, 4)	6m 44s
e2e-snapshots	-1s
	2h 44m 44s

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