chore(config): migrate renovate config (#24027)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

renovate.json

@@ -32,6 +32,7 @@
   ],
   "regexManagers": [
     {
+      "customType": "regex",
       "fileMatch": ["config/options/index.ts"],
       "matchStrings": [
         "default: '(?<depName>ghcr.io/containerbase/sidecar):(?<currentValue>.*)'"