26.09.2

## What's Changed

This is a bugfix/security patch for issues reported in [26.09](https://github.com/ankitects/anki/releases/tag/26.09).

**⚠️ Please upgrade to 26.09+ as soon as possible as it includes important security fixes.**

### Notable Changes

- Fix a startup crash on Windows affecting users who have leftover files from pre-25.07 installations by @abdnh in https://github.com/ankitects/anki/pull/5605
- Security: Prevent external links in deck descriptions rendered in the overview/congrats screen from manipulating the page in certain cases when clicked.

### Development

- Run static SonarCloud analysis on fork PRs by @fernandolins in https://github.com/ankitects/anki/pull/5596
- Testing: Improve tests for the get_scheduling_states API by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5145
- Reduce differences between development and packaged builds by locking bundled dependencies by @abdnh in https://github.com/ankitects/anki/pull/5593
- Testing: cover media/service.rs by @iamllama in https://github.com/ankitects/anki/pull/5588
- Testing: add unit coverage for card_rendering service by @fernandolins in https://github.com/ankitects/anki/pull/5587
- Testing: cover tags/service.rs by @fernandolins in https://github.com/ankitects/anki/pull/5606

### Documentation

- Document Linux TTS setup by @argrig666 in https://github.com/ankitects/anki/pull/5600
- Add redirects for mdbook pages by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5601

## New Contributors

- @argrig666 made their first contribution in https://github.com/ankitects/anki/pull/5600

**Full Changelog**: https://github.com/ankitects/anki/compare/26.09...26.09.2