Update FUNDING.yml

Author: CodeWithSushil

.github/FUNDING.yml

@@ -2,7 +2,7 @@
 
 github: Ashishkumbhar01
 patreon: Code_With_Sushil
-open_collective: # Replace with a single Open Collective username
+open_collective: codewithsushil
 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