deprecate and redirect world tour URLs

Redirecting the listed URL to /events/devsecops-world-tour/

2023 URLs
https://about.gitlab.com/events/devsecops-world-tour/melbourne/
https://about.gitlab.com/events/devsecops-world-tour/new-york/
https://about.gitlab.com/events/devsecops-world-tour/berlin/
https://about.gitlab.com/events/devsecops-world-tour/irvine/
https://about.gitlab.com/events/devsecops-world-tour/dallas/
https://about.gitlab.com/events/devsecops-world-tour/atlanta/
https://about.gitlab.com/community/sweepstakes/devsecops-world-tour-giveaway-atlanta-2023/
https://about.gitlab.com/events/devsecops-world-tour/chicago/
https://about.gitlab.com/events/devsecops-world-tour/mountain-view/