Bump electron from 13.6.1 to 15.5.5 in /web

Bumps [electron](https://github.com/electron/electron) from 13.6.1 to 15.5.5.
- [Release notes](https://github.com/electron/electron/releases)
- [Changelog](https://github.com/electron/electron/blob/main/docs/breaking-changes.md)
- [Commits](electron/electron@v13.6.1...v15.5.5)

---
updated-dependencies:
- dependency-name: electron
  dependency-type: direct:development
...

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

Author: dependabot[bot]

web/package-lock.json

@@ -51,7 +51,7 @@
     "@types/js-yaml": "^4.0.3",
     "@types/node": "^12.11.1",
     "codelyzer": "^6.0.0",
-    "electron": "^13.2.3",
+    "electron": "^15.5.5",
     "electron-builder": "^22.11.7",
     "fs-extra": "^10.0.0",
     "git-describe": "^4.1.0",