Update COMMUNITY.md (microsoft#2680)

Updated the page to include Asia Pacific timezone community / office
hours call.

CC: @alexchaomander @craigomatic

### Description

Include a downloadable calendar for the APAC timezone.

### Contribution Checklist

- [X] The code builds clean without any errors or warnings
- [X] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [X] All unit tests pass, and I have added new tests where possible
- [X] I didn't break anyone 😄

Co-authored-by: Gil LaHaye <[email protected]>

Author: vicperdana

COMMUNITY.md

@@ -11,7 +11,9 @@ We do our best to respond to each submission.
 
 We regularly have Community Office Hours that are open to the **public** to join. 
 
-Add Semantic Kernel events to your calendar: download the [calendar.ics](https://aka.ms/sk-community-calendar) file.
+Add Semantic Kernel events to your calendar - we're running two community calls to cater different timezones: 
+* Americas timezone: download the [calendar.ics](https://aka.ms/sk-community-calendar) file.
+* Asia Pacific timezone: download the [calendar-APAC.ics](https://aka.ms/sk-community-calendar-apac) file.
 
 To keep topics organized, please submit what you'd like us to cover here:
 [https://forms.office.com/r/BbXFzmmFys](https://forms.office.com/r/BbXFzmmFys)