Read dependency config from central repo (#907)

The config was moved to a central repo so it can be used by all k8s
repos without duplicating it.

Author: lucacome

.github/dependency-review-config.yml

@@ -17,4 +17,4 @@ jobs:
       - name: "Dependency Review"
         uses: actions/dependency-review-action@1360a344ccb0ab6e9475edef90ad2f46bf8003b1 # v3.0.6
         with:
-          config-file: "./.github/dependency-review-config.yml"
+          config-file: "nginxinc/k8s-common/dependency-review-config.yml@main"