Fix lint/prettier

Co-authored-by: HonkingGoose <[email protected]>

docs/usage/config-validation.md

@@ -27,6 +27,7 @@ $ npx --yes --package renovate -- renovate-config-validator
 
 By default, the validator program fails with a non-zero exit code if there are any validation warnings or errors.
 You can pass the `--strict` flag to make it fail if a scanned config needs migration:
+
 ```console
 $ npx --yes --package renovate -- renovate-config-validator --strict
  INFO: Validating renovate.json