feat(docker): Manage images via renovate (not dependabot) (#13953)

Author: kiblik

.github/dependabot.yml

@@ -64,10 +64,3 @@ updates:
     versions:
     - ">= 4.a"
     - "< 5"
-- package-ecosystem: docker
-  directory: "/"
-  schedule:
-    interval: weekly
-  open-pull-requests-limit: 10
-  target-branch: dev
-  

.github/renovate.json

@@ -13,8 +13,7 @@
     "components/package.json",
     "components/package-lock.json",
     "dojo/components/yarn.lock",
-    "dojo/components/package.json",
-    "Dockerfile**"
+    "dojo/components/package.json"
   ],
   "ignoreDeps": [],
   "packageRules": [{