Update PCD @ Washington, DC on the PCD map

[github-actions]

Closes #159

This PR was generated from the "Edit Event" issue form for PCD @ Washington, DC.
Submitted by @apbryant.

Review checklist

• The changes below are correct
• The map pin is placed correctly (check Plus Code)
• The event displays correctly in the Netlify preview (link posted by the Netlify bot)

Changes

Field	Previous	New
Date	No response	2026-10-11
Start time	No response	13:00
End time	No response	17:00
Address	No response	1506 19th St NW, Washington, DC 20036
Plus Code	87C4WX54+VJ	87C4WX64+6G
Short description	No response	Meet other creative coders from the DC area and participate in workshops about Processing!

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