chore: Bump electron from 4.0.2 to 4.0.3 (#138) [ci skip]

Bumps [electron](https://github.com/electron/electron) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](electron/electron@v4.0.2...v4.0.3)

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

Author: dependabot[bot]

yarn.lock

@@ -2330,9 +2330,9 @@ electron-download@^4.1.0:
     sumchecker "^2.0.2"
 
 electron@^4.0.1:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.2.tgz#b5e074c149841490825d0785aa2bc4f5e29bbea4"
-  integrity sha512-H0pmSvOVuC+Mq/+cYNXbCDBmqq5d1xYUVdBOjqGJuwuwJeP7qDHF35JA3cq+ARzq/CbwlXq98zdW6i6+x3U24g==
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.3.tgz#0d45a4bcfb63b3e39daf44aeb599b89e95d2a055"
+  integrity sha512-wOBYnlv3Xgbwh9DAHBktP3sQcbCBuXMQi1NzPH3EMnbdYNqj+FnTzVLq0RYp0uSzdjR3fhAZ/E6wFSMLaAc5iw==
   dependencies:
     "@types/node" "^10.12.18"
     electron-download "^4.1.0"