v9.2.1 🛠️ Cleaner reloads and recovery from empty select_list

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🔧 What's new in v9.2.1

A bugfix release that makes multiscrape.reload clean up properly and lets sensors recover by themselves when a select_list suddenly matches nothing, for example when a session expires and the site returns its login page.

One fix changes how an empty select_list is handled. Please read the ⚠️ section before upgrading.

🐛 Bug fixes

• Sensors froze when a select_list matched nothing. An empty select_list returned '' and counted as a successful scrape. In #639 the site's session expired and it served the login page instead. on_error never applied, and the form was never re-submitted with submit_once: true. Numeric sensors also failed when Home Assistant rejected the '' state. The sensors stayed stuck until a restart. An empty select_list is now a scrape error, like select already was, so on_error and re-authentication kick in. (#640, closes #639)
• multiscrape.reload raised KeyError after removing the multiscrape: section. Reloading with no Multiscrape config left now shuts down the old scrapers and finishes cleanly. (#642, closes #641)
• Reload left stale multiscrape.trigger_<name> services behind. Their scrapers were already shut down, so the services pointed at a closed HTTP session. Reload now removes the trigger service of every scraper it discards. (#643)
• Reload set up a broken scraper for a services-only entry. A lone multiscrape: entry without resource or resource_template only enables the get_content and scrape services. Setup already handled that, but reload created a scraper_unnamed_0 that failed on every update. Reload now uses the same check as setup. (#643)

⚠️ Breaking changes

• An empty select_list is now a scrape error. If your config relied on a select_list that matches nothing returning '', it now goes through on_error. That also means it logs at the configured level unless you set log: false.

Thanks to @tridev-tej for the reload fix, and to @mdp716 and @pallemannen for reporting #639 and #641!

⬆️ Dependencies & Tooling

• Migrate the tests from pytest-homeassistant-custom-component to the Core-maintained pytest-homeassistant (#645, #647). Thanks @balloobbot!
• Move the development environment to Python 3.14 (#647)
• Update ruff to v0.17.4 (#644)

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Full Changelog: v9.2.0...v9.2.1