[VoiceOver] Published Date Picker issues

[shiki]

This is a new-ish component and generally needs some accessibility work.

• [ ] The current date can have a single accessibilityLabel with an updated accessibilityValue
• [ ] The S, M, T, and other labels do not need to be accessible. Instead, the days should have the labels “Monday. March 14”
• [x] #13056 The picker cannot be dismissed using the VoiceOver global escape
• [x] #13056 The Close button has no accessibility label
• [ ] When swiping between months, VoiceOver says something like “Page 800 of 1000”. This doesn't seem very useful.
• [ ] Left and Right buttons do not have labels
• [ ] The day buttons can use the .button and .selected traits

[stale[bot]]

This issue has been marked as stale because:

• It has been inactive for the past year.
• It isn't in a project or a milestone.
• It hasn’t been labeled [Pri] Blocker, [Pri] High, or good first issue.

Please comment with an update if you believe this issue is still valid or if it can be closed. This issue will also be reviewed for validity and priority during regularly scheduled triage sessions.

[dangermattic]

Thanks for reporting! 👍