[desktop]: Bump electron-builder from 26.0.1 to 26.0.3 in /desktop

Bumps [electron-builder](https://github.com/electron-userland/electron-builder/tree/HEAD/packages/electron-builder) from 26.0.1 to 26.0.3.
- [Release notes](https://github.com/electron-userland/electron-builder/releases)
- [Changelog](https://github.com/electron-userland/electron-builder/blob/master/packages/electron-builder/CHANGELOG.md)
- [Commits](https://github.com/electron-userland/electron-builder/commits/v26.0.3/packages/electron-builder)

---
updated-dependencies:
- dependency-name: electron-builder
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

desktop/package.json

@@ -73,7 +73,7 @@
 		"@types/node": "22.13.0",
 		"angular-eslint": "19.0.2",
 		"electron": "34.0.2",
-		"electron-builder": "26.0.1",
+		"electron-builder": "26.0.3",
 		"eslint": "9.19.0",
 		"npm-run-all": "4.1.5",
 		"prettier": "3.4.2",