chore(ci): relay development activity to the family Discord channel

[rennf93]

Delivers issue: none (chore, no-issue)

Forwards issues, pull requests, reviews and discussions from this repository to its language family's development channel on the Guard Core Discord (#dev-python, #dev-typescript, #dev-rust, #dev-go, #dev-php, #dev-saas).

• Skips bot activity (dependabot, stale, github-actions) and anything on bot-authored PRs or issues, which GitHub's built-in Discord hook cannot filter.
• Reads only the event payload and never checks out code, so pull_request_target runs no untrusted code. permissions: {}.
• The channel webhook comes from the DISCORD_DEV_FEED_WEBHOOK repository secret. Runs without it (fork pull requests) skip with a notice.

Release posts stay on the existing GitHub hook to #releases.

[github-actions]

Thanks for opening your first pull request on tornadoapi-guard!

Quick checklist before review (most of these are enforced by CI, but worth a glance):

• make lint — ruff format, ruff check, mypy, and vulture
• make test (or make local-test) — full test suite passes with 100% coverage
• make security — bandit, safety, and pip-audit all clean
• make quality — radon and xenon complexity thresholds respected
• No # noqa / # type: ignore shortcuts; pre-existing violations in touched files are fixed
• Added an entry under ## Unreleased in CHANGELOG.md
• If you touched a public API, updated the relevant page under docs/
• If the change involves engine logic, the corresponding fix landed in guard-core first

See CONTRIBUTING.md for the full workflow and the Code of Conduct for the community standards we follow.

Welcome aboard — a maintainer will review shortly.