ci: Let Dependabot create PRs to dependabot branch so we have a process like Create PR on dependabot->merge into dependabot->Create PR on develop->merge into develop->Create PR on main/master->merge into main/master

Bumps [JamesIves/github-pages-deploy-action](https://github.com/JamesIves/github-pages-deploy-action) from 4.1.5 to 4.1.6.
- [Release notes](https://github.com/JamesIves/github-pages-deploy-action/releases)
- [Commits](https://github.com/JamesIves/github-pages-deploy-action/compare/4.1.5...4.1.6

)

---
updated-dependencies:
- dependency-name: JamesIves/github-pages-deploy-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Bumps [akhilmhdh/contributors-readme-action](https://github.com/akhilmhdh/contributors-readme-action) from 2.2 to 2.3.
- [Release notes](https://github.com/akhilmhdh/contributors-readme-action/releases)
- [Commits](https://github.com/akhilmhdh/contributors-readme-action/compare/v2.2...v2.3

)

---
updated-dependencies:
- dependency-name: akhilmhdh/contributors-readme-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2.4.0 to 2.4.1.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v2.4.0...v2.4.1

)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

ci: Move gh-pages workflow into release workflow. Setup matrix for Electron build and upload archives to release