feat: ReleaseMode.release for ios, macos, windows, web, linux

[Gustl22]

Description

Closes #1689

Checklist

• [x] The title of my PR starts with a Conventional Commit prefix (fix:, feat:, refactor:, docs:, chore:, test:, ci: etc).
• [x] I have read the Contributor Guide and followed the process outlined for submitting PRs.
• [x] I have updated/added tests for ALL new/updated/fixed functionality.
• [x] I have updated/added relevant documentation and added dartdoc comments with ///, where necessary.
• [x] I have updated/added relevant examples in example.

Breaking Change

• [ ] Yes, this is a breaking change.
• [x] No, this is not a breaking change.

Related Issues

Needed for #1754