Restore comments which have been lost in the Bzlmod migration

We can now specify platform directly, so we use the manifest and platform now directly and the outdated comment for debian-iptables has been removed.

MODULE.bazel

@@ -99,12 +99,14 @@ use_repo(
 #######
 
 oci = use_extension("@rules_oci//oci:extensions.bzl", "oci")
+# gcloud container images describe gcr.io/distroless/base:latest --format='value(image_summary.digest)'
 oci.pull(
     name = "distroless_base",
     digest = "sha256:b31a6e02605827e77b7ebb82a0ac9669ec51091edd62c2c076175e05556f4ab9",
     image = "gcr.io/distroless/base",
     platforms = ["linux/amd64"],
 )
+# gcloud container images describe gcr.io/distroless/cc:latest --format='value(image_summary.digest)'
 oci.pull(
     name = "distroless_cc",
     digest = "sha256:8aad707f96620ee89e27febef51b01c6ff244277a3560fcfcfbe68633ef09193",
@@ -113,8 +115,9 @@ oci.pull(
 )
 oci.pull(
     name = "iptables_base",
-    digest = "sha256:9c41b4c326304b94eb96fdd2e181aa6e9995cc4642fcdfb570cedd73a419ba39",
+    digest = "sha256:656e45c00083359107b1d6ae0411ff3894ba23011a8533e229937a71be84e063",
     image = "gcr.io/google-containers/debian-iptables",
+    platforms = ["linux/amd64"],
 )
 use_repo(
     oci,