mcp-proxy: drive per-connection login on a 401 (generic, all agents) - #557

Process completed with exit code 1.

GitHub API request failed for repos/databricks/unity-gateway/pulls/557: gh: Although you appear to have the correct authorization credentials, the `databricks` organization has an IP allow list enabled, and your IP address is not permitted to access this resource. (HTTP 403)

On November 2, 2026, GitHub will restrict `pull_request_target` on public repositories by default. To continue allowing the event trigger, configure an Actions policy. Learn more: https://gh.io/securely-using-pull_request_target#default-policy-for-pull_request_target

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/