Update PCD @ Atlanta on the PCD map

[github-actions]

Closes #216

This PR was generated from the "Edit Event" issue form for PCD @ Atlanta.
Submitted by @freaug.

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• The changes below are correct
• The map pin is placed correctly (check Plus Code)
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Field	Previous	New
Short description	TBD PCD event in Atlanta, GA	PCD event in Atlanta, GA

Long description

Hi!

This is Atlanta's first Processing Community Day and it should be a fun time!

PCD @ Atlanta will be held at the Fulton County Futures Lab at The CTR, formerly the CNN Center, in downtown Atlanta. The venue is accessible by MARTA, has nearby parking, elevator access, and ADA-compliant facilities.

The Atlanta event will feature an introductory p5.js workshop led by Jordan Oleson-Graves, a Pepper’s Ghost workshop with Laila Jhané, and artist talks by Ivan Reyes and Hannah Hendricks. Throughout the afternoon, attendees can also visit an open coding lounge hosted by artist and technologist Eddie Farr, where participants are invited to experiment, collaborate, work on projects, or simply spend time with other members of Atlanta’s creative technology community.

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