README.md: fix link to adopters file (#4410)

Signed-off-by: Lucas Servén Marín <[email protected]>

Author: squat

README.md

@@ -83,7 +83,7 @@ Thanos is an open source project and we value and welcome new contributors and m
 
 ## Adopters
 
-See [`Adopters List`](.website/data/adopters.yml).
+See [`Adopters List`](website/data/adopters.yml).
 
 ## Maintainers