various: add meta.changelog (#520112)

pkgs/by-name/bt/btrfs-assistant/package.nix

@@ -78,6 +78,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "GUI management tool to make managing a Btrfs filesystem easier";
     homepage = "https://gitlab.com/btrfs-assistant/btrfs-assistant";
+    changelog = "https://gitlab.com/btrfs-assistant/btrfs-assistant/-/blob/${finalAttrs.version}/changelog";
     license = lib.licenses.gpl3Only;
     mainProgram = "btrfs-assistant-bin";
     maintainers = with lib.maintainers; [ khaneliman ];

pkgs/by-name/sk/sketchybar-app-font/package.nix

@@ -59,6 +59,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
       A ligature-based symbol font and a mapping function for sketchybar, inspired by simple-bar's usage of community-contributed minimalistic app icons.
     '';
     homepage = "https://github.com/kvndrsslr/sketchybar-app-font";
+    changelog = "https://github.com/kvndrsslr/sketchybar-app-font/releases/tag/v${finalAttrs.src.tag}";
     license = lib.licenses.cc0;
     maintainers = with lib.maintainers; [ khaneliman ];
     platforms = lib.platforms.all;

pkgs/by-name/sk/sketchybar/package.nix

@@ -51,6 +51,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "Highly customizable macOS status bar replacement";
     homepage = "https://github.com/FelixKratz/SketchyBar";
+    changelog = "https://github.com/FelixKratz/SketchyBar/releases/tag/v${finalAttrs.version}";
     license = lib.licenses.gpl3;
     mainProgram = "sketchybar";
     maintainers = with lib.maintainers; [

pkgs/by-name/te/teams-for-linux/package.nix

@@ -125,6 +125,7 @@ buildNpmPackage rec {
     description = "Unofficial Microsoft Teams client for Linux";
     mainProgram = "teams-for-linux";
     homepage = "https://github.com/IsmaelMartinez/teams-for-linux";
+    changelog = "https://github.com/IsmaelMartinez/teams-for-linux/releases/tag/v${version}";
     license = lib.licenses.gpl3Plus;
     maintainers = with lib.maintainers; [
       muscaln