[docs] Fix broken remote execution services link
This link was giving a 404 because that page doesn't live at the root of but in
Closes
@@ -78,7 +78,7 @@ Merino's excellent
## When should I use dynamic execution?
Dynamic execution obviously requires some form of
-[remote execution system](/remote-execution-services.html). It is not currently
+[remote execution system](https://www.bazel.build/remote-execution-services.html). It is not currently
possible to use a cache-only remote system, as a cache miss would be considered
a failed action.
