setup-forgejo/renovate.json

{
    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
    "extends": ["local>actions/renovate-config"],
    "customManagers": [
        {
            "customType": "regex",
            "description": "update runner in RUNNER_VERSION",
            "fileMatch": ["^RUNNER_VERSION$"],
            "matchStrings": ["(?<currentValue>v\\d+\\.\\d+\\.\\d+)"],
            "datasourceTemplate": "gitea-tags",
            "depNameTemplate": "forgejo/runner",
            "versioningTemplate": "semver",
            "registryUrlTemplate": "https://code.forgejo.org"
        },
        {
            "customType": "regex",
            "description": "update runner in README.md",
            "fileMatch": ["^README.md$"],
            "matchStrings": [
                "\\| runner-version \\| .+? \\| (?<currentValue>v\\d+\\.\\d+\\.\\d+) \\|"
            ],
            "datasourceTemplate": "gitea-tags",
            "depNameTemplate": "forgejo/runner",
            "versioningTemplate": "semver",
            "registryUrlTemplate": "https://code.forgejo.org"
        },
        {
            "customType": "regex",
            "description": "update runner in action.yml",
            "fileMatch": ["^action.yml$"],
            "matchStrings": [
                "\\s+runner-version:\\s+description: .+?\\s+default: '(?<currentValue>v\\d+\\.\\d+\\.\\d+)'\\s"
            ],
            "datasourceTemplate": "gitea-tags",
            "depNameTemplate": "forgejo/runner",
            "versioningTemplate": "semver",
            "registryUrlTemplate": "https://code.forgejo.org"
        }
    ]
}