Migrate config .renovaterc.json5

.renovaterc.json5

@@ -1,13 +1,22 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "dependencyDashboard": true,
-  "enabledManagers": ["dockerfile", "github-actions", "regex"],
-  "regexManagers": [
+  $schema: 'https://docs.renovatebot.com/renovate-schema.json',
+  dependencyDashboard: true,
+  enabledManagers: [
+    'dockerfile',
+    'github-actions',
+    'custom.regex',
+  ],
+  customManagers: [
     {
-      "fileMatch": ["^Dockerfile$"],
-      "matchStrings": ["synapse-s3-storage-provider==(?<currentValue>.*)\\n"],
-      "depNameTemplate": "synapse-s3-storage-provider",
-      "datasourceTemplate": "pypi",
+      customType: 'regex',
+      fileMatch: [
+        '^Dockerfile$',
+      ],
+      matchStrings: [
+        'synapse-s3-storage-provider==(?<currentValue>.*)\\n',
+      ],
+      depNameTemplate: 'synapse-s3-storage-provider',
+      datasourceTemplate: 'pypi',
     },
   ],
 }