Update dependabot.yml

Author: baseplate-admin

.github/dependabot.yml

@@ -13,12 +13,6 @@ updates:
       schedule:
           interval: 'daily'
 
-    - package-ecosystem: 'docker' # See documentation for possible values
-      directory: './src/frontend/build' # Location of package manifests
-      open-pull-requests-limit: 100
-      schedule:
-          interval: 'daily'
-
 
     ## BACKEND