Fix: Use amazon.com instead of paypal.com

Author: localheinz

FUNDING.yml

@@ -2,5 +2,5 @@ custom:
   - "https://buymeacoff.ee/localheinz"
   - "https://cottonbureau.com/people/andreas-moller"
   - "https://ko-fi.com/localheinz"
-  - "https://paypal.me/localheinz"
+  - "https://www.amazon.de/hz/wishlist/ls/2NCHMSJ4BC1OW"
 github: "localheinz"