Multi-Store Publishing Automation

[GODrums]

Objective

We want to create a Github Actions workflow to automate the publishing flow for new extension versions. This can be integrated with the release workflow, which already generates the required ZIPs.

Tasks

• [x] Create basic Github Action
• [x] Integrate automation for the Chrome Web Store
• [x] Integrate automation for the Firefox Add-On Store
• [ ] Automate other stores
  • [ ] Microsoft Edge Add-Ons Store
  • [ ] Opera Add-Ons Store
  • [ ] Apple App Store (requires Safari support first #301)