Fix AnkiConnect plugin link in README (#2459)

Updated AnkiConnect plugin link in README.md.

Signed-off-by: bossanovaorca <13033321+bossanovaorca@users.noreply.github.com>

Author: bossanovaorca

README.md

@@ -24,7 +24,7 @@ Yomitan provides powerful features not available in other browser-based dictiona
 - 💬 Interactive popup definition window for displaying search results.
 - 🔊 Built-in native pronunciation audio with the ability to add your own [custom audio sources](https://yomitan.wiki/advanced/#default-audio-sources).
 - ✍️ Kanji stroke order diagrams are just a click away.
-- 📝 [Automatic flashcard creation](https://yomitan.wiki/anki/) for the [Anki](https://apps.ankiweb.net/) flashcard program via the [AnkiConnect](https://foosoft.net/projects/anki-connect) plugin.
+- 📝 [Automatic flashcard creation](https://yomitan.wiki/anki/) for the [Anki](https://apps.ankiweb.net/) flashcard program via the [AnkiConnect](https://git.sr.ht/~foosoft/anki-connect) plugin.
 - 🔍 Custom search page for easily executing custom search queries.
 - 📖 Support for multiple dictionary formats including [EPWING](https://ja.wikipedia.org/wiki/EPWING) via the [Yomitan Import](https://github.com/yomidevs/yomitan-import) tool.
 - ✨ Clean, modern code makes it easy for developers to [contribute](#contributing) new features and languages.