see if it will let me know about new docker images

.github/dependabot.yml

@@ -5,7 +5,12 @@
 
 version: 2
 updates:
-  - package-ecosystem: gomod # See documentation for possible values
-    directory: "/src" # Location of package manifests
+  - package-ecosystem: gomod
+    directory: "/src"
     schedule:
       interval: "weekly"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "daily"