dependabot: Add labels and correct grouping

This configures dependabot updates to automatically add ok-to-test
labels and corrects the location for grouping Go dependency updates. In
addition to the k8s.io grouping it also adds an AWS grouping since those
are also almost always intended to be taken as a set.

Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

Author: stmcginnis

.github/dependabot.yml

@@ -9,19 +9,30 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    groups:
+      k8s:
+        patterns:
+          - "*k8s.io*"
+      aws:
+        patterns:
+          - "github.com/aws/*"
+    labels:
+      - "area/dependency"
+      - "ok-to-test"
 
   - package-ecosystem: docker
     directory: /
     schedule:
       interval: weekly
+    labels:
+      - "area/dependency"
+      - "ok-to-test"
 
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       # Check for updates to GitHub Actions every week
       interval: "weekly"
-    groups:
-      k8s:
-        patterns:
-        - "k8s.io/*"
-        - "sigs.k8s.io/*"
+    labels:
+      - "area/dependency"
+      - "ok-to-test"