Merge pull request 'chore(config): migrate Renovate config' (#7) from renovate/migrate-config into main

Reviewed-on: #7

renovate.json

@@ -1,21 +1,19 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "regexManagers": [
+  "customManagers": [
     {
+      "customType": "regex",
       "description": "Track openchamber base Docker image FROM jcabillot/opencode",
-      "fileMatch": ["^Dockerfile$"],
-      "matchStrings": [
-        "FROM jcabillot/opencode:(?<currentValue>[^\\s]+)"
-      ],
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": ["FROM jcabillot/opencode:(?<currentValue>[^\\s]+)"],
       "depNameTemplate": "jcabillot/opencode",
       "datasourceTemplate": "docker"
     },
     {
+      "customType": "regex",
       "description": "Track @openchamber/web npm version from ARG in Dockerfile",
-      "fileMatch": ["^Dockerfile$"],
-      "matchStrings": [
-        "ARG OPENCHAMBER_WEB_VERSION=(?<currentValue>[^\\s]+)"
-      ],
+      "managerFilePatterns": ["/^Dockerfile$/"],
+      "matchStrings": ["ARG OPENCHAMBER_WEB_VERSION=(?<currentValue>[^\\s]+)"],
       "depNameTemplate": "@openchamber/web",
       "datasourceTemplate": "npm",
       "versioningTemplate": "npm"