Bump electron from 12.0.2 to 12.0.4 in /template

Bumps [electron](https://github.com/electron/electron) from 12.0.2 to 12.0.4.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/master/docs/breaking-changes.md)
- [Commits](electron/electron@v12.0.2...v12.0.4)

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

Author: dependabot-preview[bot]

template/package.json

@@ -13,7 +13,7 @@
     "buefy": "0.9.6",
     "cross-env": "7.0.3",
     "deepmerge": "4.2.2",
-    "electron": "12.0.2",
+    "electron": "12.0.4",
     "electron-builder": "22.10.5",
     "roboto-fontface": "0.10.0",
     "element-ui": "2.15.1",