chore(renovate): disable invalid docs deps (#30760)

renovate.json

@@ -53,6 +53,12 @@
       "matchPackageNames": ["node"],
       "matchUpdateTypes": ["major"],
       "additionalBranchPrefix": "major"
+    },
+    {
+      "description": "disable some invalid deps from docs",
+      "matchPackageNames": ["my.old.registry/**", "my.new.registry/**"],
+      "matchFileNames": ["docs/**/*.md"],
+      "enabled": false
     }
   ],
   "customManagers": [