add changelog for v4

Author: topi314

docs/changelog/v4.md

@@ -1,3 +1,17 @@
+## v4.1.0
+* Added plugin update checker on start in https://github.com/lavalink-devs/Lavalink/pull/1121
+* Added full cause stack trace in exception object in https://github.com/lavalink-devs/Lavalink/pull/1128
+* Allow overriding default request timeouts in https://github.com/lavalink-devs/Lavalink/pull/1117
+* Added new docker image based on [`distroless`](https://github.com/GoogleContainerTools/distroless) & updated alpine variant to java 21 in https://github.com/lavalink-devs/Lavalink/pull/1131
+* Added custom Lavalink metrics prometheus collector in https://github.com/lavalink-devs/Lavalink/pull/1150
+* Added support for spring cloud config in https://github.com/lavalink-devs/Lavalink/pull/1144
+* Updated Koe to `2.1.0` & set `deafened` to true (This should lower the incoming traffic for Lavalink) in https://github.com/lavalink-devs/Lavalink/commit/5b0d139652fbd8d60d323c7c05b5b66d3665dc97
+* Fixed race condition when creating media connection and setting up playback in https://github.com/lavalink-devs/Lavalink/commit/588ca40c8b768cbe7c5748a94cfd8e8f1c97a2c4
+* Fixed filter values being omitted when default value is used in https://github.com/lavalink-devs/Lavalink/pull/1141
+* Fixed wrong CPU stats when spamming `/v4/stats` endpoint in https://github.com/lavalink-devs/Lavalink/pull/1151
+* Fixed plugin manager ignoring cmd args in https://github.com/lavalink-devs/Lavalink/pull/1129
+* Removed tls flags in dockerfile preventing tls 1.3 from working in https://github.com/lavalink-devs/Lavalink/pull/1118
+
 ## v4.0.8
 * Updated koe to [`2.0.3-rc2`](https://github.com/KyokoBot/koe/releases/tag/2.0.3-rc2) & use voice gateway `v8` in [#1097](https://github.com/lavalink-devs/Lavalink/pull/1097)
 * Updated Lavaplayer to [`2.2.2`](https://github.com/lavalink-devs/lavaplayer/releases/tag/2.2.2) in [#1105](https://github.com/lavalink-devs/Lavalink/pull/1105)