chore(deps): update @backstage-community/plugin-rbac-backend to v7.12.2 (#2900)

Author: hopehadfield

workspaces/lightspeed/packages/backend/package.json

@@ -21,7 +21,7 @@
     "build-image": "docker build ../.. -f Dockerfile --tag backstage"
   },
   "dependencies": {
-    "@backstage-community/plugin-rbac-backend": "5.2.6",
+    "@backstage-community/plugin-rbac-backend": "7.12.2",
     "@backstage/backend-defaults": "^0.16.0",
     "@backstage/config": "^1.3.6",
     "@backstage/plugin-app-backend": "^0.5.12",