fix(deps): update electron-updater to v6.7.3 (#2506)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
   "homepage": "https://gitify.io/",
   "dependencies": {
     "electron-log": "5.4.3",
-    "electron-updater": "6.6.2",
+    "electron-updater": "6.7.3",
     "menubar": "9.5.2",
     "react": "19.2.3",
     "react-dom": "19.2.3",