Update FUNDING.yml

Author: klsheng

.github/FUNDING.yml

@@ -1,6 +1,6 @@
 # These are supported funding model platforms
 
-github: [klsheng]
+github: klsheng
 #patreon: # Replace with a single Patreon username
 #open_collective: # Replace with a single Open Collective username
 #ko_fi: # Replace with a single Ko-fi username
@@ -11,4 +11,4 @@ github: [klsheng]
 #lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
 #polar: # Replace with a single Polar username
 #buy_me_a_coffee: # Replace with a single Buy Me a Coffee username
-custom: ["https://paypal.me/klsheng"]
+custom: "https://paypal.me/klsheng"