chore: update FUNDING.yml

.github/FUNDING.yml

@@ -1,12 +1,2 @@
-# These are supported funding model platforms
-
-github: gcushen # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: cushen
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-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
-otechie: # Replace with a single Otechie username
-custom: https://paypal.me/cushen
+github: gcushen
+custom: https://wowchemy.com/sponsor/