Bump electron from 9.0.4 to 9.3.1 in /app

Bumps [electron](https://github.com/electron/electron) from 9.0.4 to 9.3.1.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](electron/electron@v9.0.4...v9.3.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

app/package-lock.json

@@ -54,7 +54,7 @@
     "@rescripts/cli": "^0.0.14",
     "@rescripts/rescript-env": "^0.0.12",
     "concurrently": "^5.2.0",
-    "electron": "^9.0.4",
+    "electron": "^9.3.1",
     "electron-builder": "^22.7.0",
     "typescript": "^3.9.5",
     "wait-on": "^5.0.1"

app/package.json

@@ -4360,10 +4360,10 @@ electron-to-chromium@^1.3.378:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.379.tgz#81dc5e82a3e72bbb830d93e15bc35eda2bbc910e"
   integrity sha512-NK9DBBYEBb5f9D7zXI0hiE941gq3wkBeQmXs1ingigA/jnTg5mhwY2Z5egwA+ZI8OLGKCx0h1Cl8/xeuIBuLlg==
 
-electron@^9.0.4:
-  version "9.0.4"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-9.0.4.tgz#5aa72c1576c82c19f6e087311ffe1d7b74358d25"
-  integrity sha512-QzkeZNAiNB7KxcdoQKSoaiVT/GQdB4Vt0/ZZOuU8tIKABAsni2I7ztiAbUzxcsnQsqEBSfChuPuDQ5A4VbbzPg==
+electron@^9.3.1:
+  version "9.3.1"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-9.3.1.tgz#e301932c5c0537d8c9a8850d216d3ba454dbf55c"
+  integrity sha512-DScrhqBT4a54KfdF0EoipALpHmdQTn3m7SSCtbpTcEcG+UDUiXad2cOfW6DHeVH7N+CVDKDG12q2PhVJjXkFAA==
   dependencies:
     "@electron/get" "^1.0.1"
     "@types/node" "^12.0.12"