ci: update dependencies in a group

update dependencies in a group so that
the k8s api doesn't throws error and
all the deps are updated in single PR.

Signed-off-by: subhamkrai <srai@redhat.com>

.github/dependabot.yaml

@@ -5,6 +5,20 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"
+    groups:
+      golang-dependencies:
+        patterns:
+          - "github.com/golang*"
+          - "golang.org/x/*"
+      k8s-dependencies:
+        patterns:
+          - "k8s.io*"
+          - "sigs.k8s.io*"
+      github-dependencies:
+        patterns:
+          - "github.com*"
+        exclude-patterns:
+          - "github.com/golang*"
 
   # Dependencies listed in .github/workflows/*.yml
   - package-ecosystem: "github-actions"