update containerd binary to v1.5.5

Welcome to the v1.5.5 release of containerd!

The fifth patch release for containerd 1.5 updates runc to 1.0.1 and contains
other minor updates.

Notable Updates

- Update runc binary to 1.0.1
- Update pull logic to try next mirror on non-404 response
- Update pull authorization logic on redirect

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 4a07b89e9a23f61de06a9390e49a3e16283f3672)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

hack/dockerfile/install/containerd.installer

@@ -4,7 +4,7 @@ set -e
 # containerd is also pinned in vendor.conf. When updating the binary
 # version you may also need to update the vendor version to pick up bug
 # fixes or new APIs.
-: "${CONTAINERD_COMMIT:=69107e47a62e1d690afa2b9b1d43f8ece3ff4483}" # v1.5.4
+: "${CONTAINERD_COMMIT:=72cec4be58a9eb6b2910f5d10f1c01ca47d231c0}" # v1.5.5
 
 install_containerd() (
 	echo "Install containerd version $CONTAINERD_COMMIT"