Reference upstream sponsors.md

Author: kzu

.netconfig

@@ -168,10 +168,7 @@
 	etag = 6e45ba613fdc949a6a5d84ed8efd5cc1b36d13bb0fd965e206fd5e92b604e2d0
 	weak
 [file "docs/sponsors.md"]
-	url = https://github.com/devlooped/oss/blob/main/docs/sponsors.md
-	sha = 923ddc16dce95c591fe91059720b3447107ec57f
-	etag = 555eea0c0cd7014181709931752b99360405799579027d4dccf21975455561ab
-	weak
+	url = https://github.com/devlooped/sponsors/blob/main/sponsors.md
 [file "src/nuget.config"]
 	url = https://github.com/devlooped/oss/blob/main/src/nuget.config
 	sha = 1537aa96d3c999642d678e1143b09950f235b977