docs: update FUNDING.yml

Signed-off-by: Andrés Correa Casablanca <castarco@coderspirit.xyz>

Author: castarco

.github/FUNDING.yml

@@ -7,7 +7,7 @@ ko_fi: coderspirit
 tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
 community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
 liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
+issuehunt: castarco
 otechie: # Replace with a single Otechie username
 lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
 custom: https://www.paypal.com/donate?hosted_button_id=B4GAXGG68L9MG