Bump containerd to v1.7.20 (#10663) #292

Job	Run time
build / Build	6m 41s
E2E Tests (startup)	7m 26s
Docker Tests (basics)	1m 21s
E2E Tests (s3)	8m 12s
Docker Tests (bootstraptoken)	1m 7s
E2E Tests (btrfs)	4m 33s
E2E Tests (externalip)	5m 25s
E2E Tests (privateregistry)	5m 55s
E2E Tests (embeddedmirror)	5m 41s
Docker Tests (cacerts)	1m 7s
E2E Tests (wasm)	5m 34s
Docker Tests (compat)	2m 24s
Docker Tests (lazypull)	1m 12s
Docker Tests (upgrade)	2m 44s
	59m 22s

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