fix: remove invalid reviewRequired options from Renovate config

Remove invalid `reviewRequired` configuration options that were causing
validation errors. Manual review is already enforced by `automerge: false`.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: bakerboy448

renovate.json

@@ -15,33 +15,29 @@
       "matchManagers": ["pip_requirements"],
       "groupName": "Python dependencies",
       "matchUpdateTypes": ["minor", "patch"],
-      "automerge": false,
-      "reviewRequired": true
+      "automerge": false
     },
     {
       "description": "Python major version updates - separate PRs with high priority",
       "matchManagers": ["pip_requirements"],
       "matchUpdateTypes": ["major"],
       "addLabels": ["major-update"],
       "prPriority": 10,
-      "automerge": false,
-      "reviewRequired": true
+      "automerge": false
     },
     {
       "description": "Docker base image updates",
       "matchManagers": ["dockerfile"],
       "matchPackageNames": ["python"],
       "groupName": "Docker Python base image",
       "automerge": false,
-      "reviewRequired": true,
       "addLabels": ["docker"]
     },
     {
       "description": "Docker Compose version updates",
       "matchManagers": ["docker-compose"],
       "groupName": "Docker Compose dependencies",
       "automerge": false,
-      "reviewRequired": true,
       "addLabels": ["docker"]
     }
   ],