Cannot release version after pre-release

### 👓 What did you see?

```
[15:41:39] luke@luke-ubuntu:~/Code/cucumber-rails$ polyglot-release 3.0.0
Version 3.0.0 has already been released.
```

### ✅ What did you expect to see?

polyglot-release working for cucumber-rails (3.0.0.rc1 is released)

### 📦 Which tool/library version are you using?

polyglot-release latest

### 🔬 How could we reproduce it?

Try run polyglot-release

Steps to reproduce the behavior:
1. Install '...' version '...'
2. Create a file called '....'
3. Run command '....'
4. See error '....'

### 📚 Any additional context?

----

*This text was originally generated from a [template](https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/about-issue-and-pull-request-templates), then edited by hand. [You can modify the template here.](https://github.com/cucumber/.github/edit/main/.github/ISSUE_TEMPLATE/bug_report.md)*

Start by reproducing the issue with polyglot-release 3.0.0 after 3.0.0.rc1 has been released, then trace the command's version and release checks. Done means the command can release the final 3.0.0 version without reporting that it was already released.

Written by the indexing model from the issue text.