fix: bring back linux deb (#1304)

* Restore deb package building for Linux with auto-update support

Co-authored-by: farfromrefug <655344+farfromrefug@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

electron-builder-beta.yml

@@ -44,6 +44,7 @@ dmg:
 linux:
     target:
         - AppImage
+        - deb
         - tar.xz
     category: AudioVideo;Audio;Player
     icon: assets/icons/icon.png

electron-builder.yml

@@ -44,6 +44,7 @@ dmg:
 linux:
     target:
         - AppImage
+        - deb
         - tar.xz
     category: AudioVideo;Audio;Player
     icon: assets/icons/icon.png

package.json

@@ -16,6 +16,7 @@
     "license": "GPL-3.0",
     "author": {
         "name": "jeffvli",
+        "email": "feishin@users.noreply.github.com",
         "url": "https://github.com/jeffvli/"
     },
     "main": "./out/main/index.js",