Start of universal binary for macOS

Currently it's building x64 and arm64 electron apps.
We *could* make DMGs of each and have end users select their
platform.

CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Paginated 'All Playlists' page ([#7268](https://github.com/lbryio/lbry-desktop/pull/7268))
 - Expanded playlist ordering tools ([#7305](https://github.com/lbryio/lbry-desktop/pull/7305))
 - Setting to upgrade to alpha prerelease builds ([#7353](https://github.com/lbryio/lbry-desktop/pull/7353))
+- Support for macOS arm64
 
 ### Changed
 - Changing the supported language from Filipino to Tagalog _community pr!_ ([#6951](https://github.com/lbryio/lbry-desktop/pull/6951))

electron-builder.json

@@ -37,7 +37,16 @@
     }
   ],
   "mac": {
-    "category": "public.app-category.entertainment"
+    "category": "public.app-category.entertainment",
+    "target": [
+      {
+        "target": "default",
+        "arch": [
+          "x64",
+          "arm64"
+        ]
+      }
+    ],
   },
   "dmg": {
     "iconSize": 128,

package.json

@@ -122,7 +122,7 @@
     "dotenv-defaults": "^2.0.1",
     "dotenv-webpack": "^1.8.0",
     "electron": "11.5.0",
-    "electron-builder": "^22.9.1",
+    "electron-builder": "^22.14.5",
     "electron-devtools-installer": "^3.1.1",
     "electron-is-dev": "^0.3.0",
     "electron-webpack": "^2.8.2",