docs: 📝 update changelog

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 3.0.0 - 2024-08-17
+
+### Added
+- 🌐 Add german translation
+Thanks to @OiledAmoeba [#120](https://git.crystalyx.net/Xefir/repod/issues/120)
+
+### Changed
+- 🎉 Migrate to Vue 3
+- 🔖 Support Nextcloud 30
+- 🏗️ Switch from Vuex to Pinia
+
+### Fixed
+- 💄 Use iTunes image first for episode if available
+- 💄 Displaying styles and proper HTML on episode's modal descriptions
+
+### Removed
+- 🗑️ Temporary replacing @nextcloud/dialogs to toastyjs
+
 ## 2.3.3 - 2024-06-14
 
 ### Changed