Release knative v0.23 for docs/website

[csantanapr]

The current process can be summarize in the following:

• Wait for dependent repos to release (today thats /serving and /eventing)
• Generate the API specification and merge via PR into main branch api specs for Release v0.23 #3619
• Create the new relase branch on the docs repository https://knative.dev/help/maintainer/docs-release-process/#create-branch-from-updated-main
• Update the website repository toml files to add the new version and drop the oldest version from the website update website for v0.23 website#303
• Sync the staging branch in website repository to include all the same commits as main branch sync main with v0.23 into staging website#304

/assign

[csantanapr]

Both serving and eventing are released for v0.23
https://github.com/knative/serving/releases/tag/v0.23.0
https://github.com/knative/eventing/releases/tag/v0.23.0

Now API reference docs can be generated

[csantanapr]

Waiting on @RichieEscarez when he has a chance to review knative/website#304 for staging builds.
But website is out v0.23

[csantanapr]

/close
release is node 🎉

[knative-prow-robot]

@csantanapr: Closing this issue.

Details

In response to this:

/close
release is node 🎉

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