Benoît VIGNAL

Add event in firewall / guard

4

This PR aim to add support of Event inside the Firewall and Guard authenticator. More details about the starting discussion [here](https://github.com/trikoder/oauth2-bundle/pull/242#issuecomment-726839920) ## What's this PR changes - [x] Add event...

### Code of Conduct - [x] I agree to follow this project's Code of Conduct ### Is there an existing issue for this? - [ ] I have searched the...