Release type: patch

* Refactor intra-site link discovery in order to match more permissively [#2646](https://github.com/getpelican/pelican/issues/2646)
* Fix plugins running twice in auto-reload mode [#2817](https://github.com/getpelican/pelican/issues/2817)
* Add notice to use `from pelican import signals` instead of `import pelican.signals` [#2805](https://github.com/getpelican/pelican/issues/2805)