Add Dana Arsovska (new Dapr community manager), remove Annu Singh

[marcduiker]

Pre-submission checklist

If you're adding a new maintainer to the CSV file, please review each of these actions as well:

• The maintainer has updated their LFX Individual Dashboard profile.
• You've sent an email with the addresses to [email protected] for access to Service Desk and mailing lists.
• Optional: You've also sent a PR with updates to cncf/gitdm.

See: dapr/community#594

[krook]

Thank you @marcduiker

@Dzvezdana has been added to the CNCF maintainer list, the Dapr maintainer mailing list, and Service Desk (Jira).

@AnnuCode has likewise been removed.