Add renovate.json

{

  "$schema": "https://docs.renovatebot.com/renovate-schema.json",

  "extends": [

    "config:recommended",

    ":dependencyDashboard"

  ],

  "labels": [

    "dependencies"

  ],

  "customManagers": [

    {

      "customType": "regex",

      "managerFilePatterns": [

        "\\.gitlab-ci\\.ya?ml$"

      ],

      "matchStrings": [

        "\\s?_IMAGE:\\s['\"](?<registryUrls>.*?)\\/(?<depName>.*?):(?<currentValue>.*)['\"]"

      ],

      "datasourceTemplate": "docker"

    },

    {

      "customType": "regex",

      "managerFilePatterns": [

        "\\.gitlab-ci\\.ya?ml$"

      ],

      "matchStrings": [

        "\\s?image:\\s['\"](?<registryUrls>.*?)\\/(?<depName>.*?):(?<currentValue>.*)['\"]"

      ],

      "datasourceTemplate": "docker"

    }

  ]

}