Bump electron from 7.2.4 to 9.4.0

Bumps [electron](https://github.com/electron/electron) from 7.2.4 to 9.4.0.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](electron/electron@v7.2.4...v9.4.0)

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

Author: dependabot[bot]

package.json

@@ -44,7 +44,7 @@
     "chalk": "1.1.3",
     "css-loader": "0.28.7",
     "dotenv": "4.0.0",
-    "electron": "^7.2.4",
+    "electron": "^9.4.0",
     "electron-builder": "^19.49.0",
     "eslint": "^4.10.0",
     "eslint-config-react-app": "^2.0.1",

yarn.lock

@@ -2967,10 +2967,10 @@ electron-updater@^2.18.2:
     semver "^5.5.0"
     source-map-support "^0.5.6"
 
-electron@^7.2.4:
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-7.3.3.tgz#f61502a3d42d85adfecd8e37f98da449b591f8af"
-  integrity sha512-PrJEsuRiaAhTDHtbH3EM+RIne+nZ6ifGChUadmtmPqHUQ+rIhf4jSi2ZN768IgBDw4SidMJiCrvQRiuDha9+Ew==
+electron@^9.4.0:
+  version "9.4.0"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-9.4.0.tgz#c3c607e3598226ddbaaff8babcdffa8bb2210936"
+  integrity sha512-hOC4q0jkb+UDYZRy8vrZ1IANnq+jznZnbkD62OEo06nU+hIbp2IrwDRBNuSLmQ3cwZMVir0WSIA1qEVK0PkzGA==
   dependencies:
     "@electron/get" "^1.0.1"
     "@types/node" "^12.0.12"