Add missing date to Astral Pool entry

Signed-off-by: Joe Block <[email protected]>

README.md

@@ -38,7 +38,7 @@ Please add new entries in alphabetical order - it will make things easier to fin
 | -------------------------------------------- | ------------------- | ---------- | ----------- |
 | Ariston Remotethermo | [continuous disconnection of API](https://github.com/fustom/ariston-remotethermo-home-assistant-v3/issues/361). Not only did they break the integration, they log you out of their own crapware for as long as you're trying to use the integration. | 2024-11-15 | None. |
 | Arlo Cameras | Per [reddit](https://www.reddit.com/r/homeassistant/comments/1graane/comment/lx4jo79) actively blocks attempts to access them. Uses rolling short-lived tokens to make it even more annoying to integrate. | 2024-11-15 | None |
-| Astral Pool Halo Chlorinator | Per [DanielNagy/astralpool_halo_chlorinator](https://github.com/DanielNagy/astralpool_halo_chlorinator) and [community.home-assistant.io](https://community.home-assistant.io/t/viron-astral-pool-chlorinatorgo-integration/375495/408), firmware versions newer than 2.3 | None |
+| Astral Pool Halo Chlorinator | Per [DanielNagy/astralpool_halo_chlorinator](https://github.com/DanielNagy/astralpool_halo_chlorinator) and [community.home-assistant.io](https://community.home-assistant.io/t/viron-astral-pool-chlorinatorgo-integration/375495/408), firmware versions newer than 2.3 | 2024-11-16 | None |
 | Blink Cameras | Per reddit [thread](https://www.reddit.com/r/homeassistant/comments/1graane/comment/lx4kbmd), randomly marks videos as seen in their app when connected to HA | 2024-11-15 | None. |
 | Chamberlain MyQ Smart Garage Door Controller | Chamberlain shut off all access to its APIs.<br>See <ul><li>Chamberlain's [Press Release](https://chamberlaingroup.com/press/a-message-about-our-decision-to-prevent-unauthorized-usage-of-myq)</li><li>The Verge's [coverage](https://www.theverge.com/23949612/chamberlain-myq-smart-garage-door-controller-homebridge-integrations)</li></ul> | 2023-11-07 | Replace with a better solution:<ul><li>[opengarage.io](https://opengarage.io) - Their hardware design and software code (including both firmware and app code) and API documents are publicly available in the [OpenGarage github repository](https://github.com/OpenGarage)</li><li>[ratgdo](https://paulwieland.github.io/ratgdo/) is another solution with open source firmware that works with Security+ 2.0 openers.</li><li>Konnected.io [Smart Garage Door Opener](https://konnected.io/products/smart-garage-door-opener) is based on ESPHome and has an HA integration</li></ul> |
 | Ecobee thermostats | "As of March 28th, 2024, ecobee is no longer accepting new developer subscriptions, nor are existing developer accounts able to create new API keys. There is no ETA for when they will be allowed again. Existing API keys will continue to function." | 2024-11-15 | Their HomeKit integration still works, so your HA can connect via that. It's less robust than a real connection, though. |