chore(config): migrate config renovate.json

Author: renovate-bot

renovate.json

@@ -19,8 +19,8 @@
  "customManagers": [
  {
  "customType": "regex",
- "fileMatch": [
- "^.kokoro/presubmit/graalvm-native.*.cfg$"
+ "managerFilePatterns": [
+ "/^.kokoro/presubmit/graalvm-native.*.cfg$/"
  ],
  "matchStrings": [
  "value: \"gcr.io/cloud-devrel-public-resources/graalvm.*:(?<currentValue>.*?)\""
@@ -30,8 +30,8 @@
  },
  {
  "customType": "regex",
- "fileMatch": [
- "^.github/workflows/unmanaged_dependency_check.yaml$"
+ "managerFilePatterns": [
+ "/^.github/workflows/unmanaged_dependency_check.yaml$/"
  ],
  "matchStrings": [
  "uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v(?<currentValue>.+?)\\n"