Bump electron from 8.2.3 to 9.0.5 in /app

Bumps [electron](https://github.com/electron/electron) from 8.2.3 to 9.0.5.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](https://github.com/electron/electron/compare/v8.2.3...v9.0.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

app/package.json

@@ -70,7 +70,7 @@
     },
     "devDependencies": {
         "chokidar": "^3.3.1",
-        "electron": "^8.2.3",
+        "electron": "^9.0.5",
         "electron-builder": "^22.5.1",
         "electron-rebuild": "^1.10.1",
         "readline-sync": "1.4.10"

app/yarn.lock

@@ -1134,10 +1134,10 @@ electron-rebuild@^1.10.1:
     spawn-rx "^3.0.0"
     yargs "^14.2.0"
 
-electron@^8.2.3:
-  version "8.2.3"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-8.2.3.tgz#b7d6a43bd9f3a2428c660dcd055a20034520e1ea"
-  integrity sha512-FJUp103c8yJBoAaj/QM/OBde57iJh95u1yGJBytMUXmLFSsx78LmNE03QN4XCODyzi76IEcasvUcK6scogRLbQ==
+electron@^9.0.5:
+  version "9.0.5"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-9.0.5.tgz#189ee117cc2a2777cccf40fae0766acec5faae57"
+  integrity sha512-bnL9H48LuQ250DML8xUscsKiuSu+xv5umXbpBXYJ0BfvYVmFfNbG3jCfhrsH7aP6UcQKVxOG1R/oQExd0EFneQ==
   dependencies:
     "@electron/get" "^1.0.1"
     "@types/node" "^12.0.12"