chore: update dependabot to group updates

Signed-off-by: Richard Case <richard.case@outlook.com>

.github/dependabot.yml

@@ -3,16 +3,38 @@ updates:
   - package-ecosystem: "gomod"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
     commit-message:
       prefix: ":seedling:"
+    labels:
+      - "kind/cleanup"
+    groups:
+      dependencies:
+        patterns:
+          - "*"
+    ignore:
+      # Ignore Cluster-API as its upgraded manually.
+      - dependency-name: "sigs.k8s.io/cluster-api"
+      # Ignore controller-runtime as its upgraded manually.
+      - dependency-name: "sigs.k8s.io/controller-runtime"
+      # Ignore k8s and its transitives modules as they are upgraded manually
+      # together with controller-runtime.
+      - dependency-name: "k8s.io/*"
+      - dependency-name: "go.etcd.io/*"
+      - dependency-name: "google.golang.org/grpc"
 
   - package-ecosystem: "docker"
     directory: "/"
     schedule:
       interval: "weekly"
     commit-message:
       prefix: ":seedling:"
+    labels:
+      - "kind/cleanup"
+    groups:
+      dependencies:
+        patterns:
+          - "*"
 
   # Enable version updates for Go tools
   - package-ecosystem: "gomod"
@@ -21,17 +43,35 @@ updates:
       interval: "weekly"
     commit-message:
       prefix: ":seedling:"
+    labels:
+      - "kind/cleanup"
+    groups:
+      dependencies:
+        patterns:
+          - "*"
 
   - package-ecosystem: "docker"
     directory: "/hack/tools"
     schedule:
       interval: "weekly"
     commit-message:
       prefix: ":seedling:"
+    labels:
+      - "kind/cleanup"
+    groups:
+      dependencies:
+        patterns:
+          - "*"
 
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
     commit-message:
       prefix: ":seedling:"
+    labels:
+      - "kind/cleanup"
+    groups:
+      dependencies:
+        patterns:
+          - "*"