ignore some transient dependencies

.github/dependabot.yml

@@ -1,17 +1,20 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
 updates:
-  - package-ecosystem: "gomod" # See documentation for possible values
-    directory: "/" # Location of package manifests
+  - package-ecosystem: "gomod"
+    directory: "/"
     schedule:
       interval: "weekly"
     ignore:
-      - dependency-name: "k8s.io/klog/*"
+      # covered by k8s.io/client-go
+      - dependency-name: "k8s.io/api"
+      - dependency-name: "k8s.io/apimachinery"
+
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"