chore(config): migrate config renovate.json

Author: renovate[bot]

renovate.json

@@ -14,8 +14,8 @@
   "customManagers": [
     {
       "customType": "regex",
-      "fileMatch": [
-        "^Makefile$"
+      "managerFilePatterns": [
+        "/^Makefile$/"
       ],
       "matchStrings": [
         "# renovate: datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?( registryUrl=(?<registryUrl>.*?))?\\s.*?_VERSION\\s?:?=\\s?(?<currentValue>.*)\\s"