Optimize GitHub workflow for release build

[ZIMkaRU]

This PR optimizes GitHub Actions Workflow for release build

---

Basic changes:

• Prevents electron-builder config modifying when setting repo owner in GH Actions Workflow, adds ability to set repo owner from env var into electron-builder config. It's more secure and flexible for beta releases as well
• Skips GH Actions Workflow for tests report if the test runner is canceled
• Launchs GH Actions Workflow for E2E tests when the build is successful
• Fixes random failed to install npm package from git in Docker. Related to this issue: [BUG] Failed to install npm package from git in docker since v6.11.0  npm/cli#624

[ezewer]

lgtm!