[x/go.dev] home,learn: update events during deployment
[x/go.dev] home,learn: update events during deployment

This change runs cmd/events during the Cloud Build deployment, ensuring
we deploy with the latest event data.

Tested with cloud-build-local
X-GoDev-Commit: 0b61109a666bd99a8a6ddcba3b2bc05d1cd33e7d

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website