chore(deps-dev): bump @electron-forge/maker-rpm

Bumps [@electron-forge/maker-rpm](https://github.com/electron/forge) from 6.0.0-beta.58 to 6.4.2.
- [Release notes](https://github.com/electron/forge/releases)
- [Changelog](https://github.com/electron/forge/blob/main/CHANGELOG.md)
- [Commits](electron/forge@v6.0.0-beta.58...v6.4.2)

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

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

package.json

@@ -81,7 +81,7 @@
   "devDependencies": {
     "@electron-forge/cli": "^6.0.0-beta.56",
     "@electron-forge/maker-deb": "^6.0.0-beta.56",
-    "@electron-forge/maker-rpm": "^6.0.0-beta.56",
+    "@electron-forge/maker-rpm": "^6.4.2",
     "@electron-forge/maker-squirrel": "^6.0.0-beta.56",
     "@electron-forge/maker-zip": "^6.0.0-beta.56",
     "@electron-forge/plugin-webpack": "6.0.0-beta.56",