BUG - Fix release workflows

[trallard]

Description

Recent updates to some of the GH actions used in our release workflow seem to have broken some parts of it.

This PR addresses this issue and updates our release documentation and templates to reflect our processes better.

Pull request checklist

• [ ] Did you test this change locally?
• [x] Did you update the documentation (if required)?
• [ ] Did you add/update relevant tests for this change (if required)?

Additional information

How to test

[netlify[bot]]

✅ Deploy Preview for conda-store ready!

Name	Link
🔨 Latest commit	a18a022fd3d9eda7d4c0c001e7970b4d37a7eaa2
🔍 Latest deploy log	https://app.netlify.com/sites/conda-store/deploys/66e565a4c0c17f0008fa1300
😎 Deploy Preview	https://deploy-preview-878--conda-store.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.