Renovate config migration necessary

[jbampton]

Seen here:

https://github.com/slurpcode/slurp/actions/runs/7968022596/job/21751636276?pr=2573

Error: 4-02-20 03:23:21 [ERROR] Found errors when linting RENOVATE. Exit code: 1.
2024-02-20 03:23:21 [INFO] Command output for RENOVATE:

INFO: Validating /github/workspace/renovate.json
WARN: Config migration necessary
"oldConfig": {"extends": ["config:base"], "assignees": ["jbampton"], "labels": ["renovate"]},
"newConfig": {
"extends": ["config:recommended"],
"assignees": ["jbampton"],
"labels": ["renovate"]
}