add key management as reviewers for renovate

.github/renovate.json

@@ -2,6 +2,7 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": ["github>bitwarden/renovate-config"],
   "enabledManagers": ["dockerfile", "github-actions", "nuget"],
+  "reviewers": ["team:team-key-management-dev"],
   "packageRules": [
     {
       "groupName": "dockerfile minor",