added SHA for apparmor-loader 1.6

Author: a-finocchiaro

registry.k8s.io/images/k8s-staging-e2e-test-images/images.yaml

@@ -39,6 +39,7 @@
     "sha256:b9c08bcbea5b933ddb324e360b5bd2c2b611e7db30258a5bbf1373eb563c4c87": ["1.3"]
     "sha256:c2ba46d9cf4549528f80d4850630b712372715e0c556d35d5c3016144365d882": ["1.4"]
     "sha256:d2de3514456976a513a28a2199b42ff8cd791fc5c3cdf754f4d69b460c99e657": ["1.5"]
+    "sha256:1dc95f89b1fffb804ddcac4e4ceb404cbe61a4cbe561e5dcf1ec8908032e4687": ["1.6"]
 - name: busybox
   dmap:
     "sha256:39e1e963e5310e9c313bad51523be012ede7b35bb9316517d19089a010356592": ["1.29-1"]