Update Dylan-DPC.toml

My old account couldn't be recovered, so had to get it unlinked and create a new one with this name.

Author: Dylan-DPC

people/Dylan-DPC.toml

@@ -1,5 +1,5 @@
 name = "Dylan DPC"
 github = "Dylan-DPC"
-github-id = 12371125
+github-id = 99973273
 email = "dylan.dpc@gmail.com"
 zulip-id = 120823