Bump the distroless image.

I noticed that this distroless image isn't signed with cosign/Fulcio, so bumping to the latest!

config/controller.yaml

@@ -75,9 +75,9 @@ spec:
           # This is gcr.io/google.com/cloudsdktool/cloud-sdk:302.0.0-slim
           "-gsutil-image", "gcr.io/google.com/cloudsdktool/cloud-sdk@sha256:27b2c22bf259d9bc1a291e99c63791ba0c27a04d2db0a43241ba0f1f20f4067f",
           # The shell image must be root in order to create directories and copy files to PVCs.
-          # gcr.io/distroless/base:debug as of Apirl 17, 2021
+          # gcr.io/distroless/base:debug as of October 21, 2021
           # image shall not contains tag, so it will be supported on a runtime like cri-o
-          "-shell-image", "gcr.io/distroless/base@sha256:aa4fd987555ea10e1a4ec8765da8158b5ffdfef1e72da512c7ede509bc9966c4",
+          "-shell-image", "gcr.io/distroless/base@sha256:cfdc553400d41b47fd231b028403469811fcdbc0e69d66ea8030c5a0b5fbac2b",
           # for script mode to work with windows we need a powershell image
           # pinning to nanoserver tag as of July 15 2021
           "-shell-image-win", "mcr.microsoft.com/powershell:nanoserver@sha256:b6d5ff841b78bdf2dfed7550000fd4f3437385b8fa686ec0f010be24777654d6",