Bump @electron-forge/maker-squirrel from 6.0.0-beta.64 to 6.0.0-beta.65

Bumps [@electron-forge/maker-squirrel](https://github.com/electron-userland/electron-forge) from 6.0.0-beta.64 to 6.0.0-beta.65.
- [Release notes](https://github.com/electron-userland/electron-forge/releases)
- [Changelog](https://github.com/electron-userland/electron-forge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/electron-userland/electron-forge/compare/v6.0.0-beta.64...v6.0.0-beta.65)

---
updated-dependencies:
- dependency-name: "@electron-forge/maker-squirrel"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@electron-forge/cli": "^6.0.0-beta.65",
-    "@electron-forge/maker-squirrel": "^6.0.0-beta.64",
+    "@electron-forge/maker-squirrel": "^6.0.0-beta.65",
     "@electron-forge/publisher-github": "^6.0.0-beta.65",
     "electron": "^19.0.5"
   },