Update cloudeventsource type list

[SpiritZhou]

Update cloudeventsource type list

Checklist

• [ ] I have verified that my change is according to the deprecations & breaking changes policy
• [ ] Commits are signed with Developer Certificate of Origin (DCO - learn more)
• [ ] README is updated with new configuration values (if applicable) learn more
• [ ] A PR is opened to update KEDA core (repo) (if applicable, ie. when deployment manifests are modified)

Relates to https://github.com/kedacore/keda/issues/3524

[tomkerkhove]

@SpiritZhou Can you fix the CI please?

[zroubalik]

@SpiritZhou could you please fix the build?

[SpiritZhou]

I think my change is simple but as the CI is broken, I cannot see any build problem now.

[JorTurFer]

It was a CI problem, the fix is merged and I've rebased your PR