renovate.json

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": ["config:recommended"],
  "enabledManagers": ["custom.regex"],
  "customManagers": [
    {
      "customType": "regex",
      "fileMatch": ["(^|/)main\\.tf$"],
      "matchStrings": [
        "chart *=.*\"(?<depName>.*?)\"\\).*\\s+chart_version *=.*\"(?<currentValue>.*?)\"\\).*\\s+repository *=.*\"(?<registryUrl>https.*?)\"\\)"
      ],
      "datasourceTemplate": "helm"
    },
    {
      "customType": "regex",
      "fileMatch": ["(^|/)main\\.tf$"],
      "matchStrings": [
        "chart *=.*\"(?<depName>.*?)\"\\).*\\s+chart_version *=.*\"(?<currentValue>.*?)\"\\).*\\s+repository *=.*\"oci://(?<namespace>.*?)\"\\)"
      ],
      "datasourceTemplate": "docker",
      "packageNameTemplate": "{{namespace}}/{{depName}}"
    }
  ]
}