fix(deck): update 'ujust changelogs' to pull latest release notes fro…

…m GitHub (#2089)

* modified 'ujust changelogs' cmd to pull latest release from GH, instead of outdated changelog.md file that is no longer maintained.

* git commit -m "feat: add 'ujust changelogs-testing' for pre-release notes"

system_files/desktop/shared/usr/share/ublue-os/just/10-update.just

@@ -38,6 +38,10 @@ toggle-updates ACTION="prompt":
 
 alias changelog := changelogs
 
-# Show the changelog
+# Show the stable changelog
 changelogs:
-    /usr/bin/glow https://raw.githubusercontent.com/ublue-os/bazzite/main/CHANGELOG-SHORT.md --pager
+    curl -s https://api.github.com/repos/ublue-os/bazzite/releases/latest | jq -r '.body'
+
+# Show the testing (pre-release) changelog
+changelogs-testing:
+    curl -s https://api.github.com/repos/ublue-os/bazzite/releases | jq -r 'map(select(.prerelease)) | .[0].body'