chore: fix link to TypeError in fanout docs

Author: Jake Champion

documentation/docs/fastly:fanout/createFanoutHandoff.mdx

@@ -22,7 +22,7 @@ createFanoutHandoff(request, backend)
 - `backend` _: string_
   - The name of the backend that Fanout should send the request to.
   - The name has to be between 1 and 254 characters inclusive.
-  - Throws a [`TypeError`](../../globals/TypeError/TypeError.mdx) if the value is not valid. I.E. The value is null, undefined, an empty string or a string with more than 254 characters.
+  - Throws a [`TypeError`](../globals/TypeError/TypeError.mdx) if the value is not valid. I.E. The value is null, undefined, an empty string or a string with more than 254 characters.
 
 ### Return value
 

documentation/versioned_docs/version-1.12.0/fastly:fanout/createFanoutHandoff.mdx

@@ -22,7 +22,7 @@ createFanoutHandoff(request, backend)
 - `backend` _: string_
   - The name of the backend that Fanout should send the request to.
   - The name has to be between 1 and 254 characters inclusive.
-  - Throws a [`TypeError`](../../globals/TypeError/TypeError.mdx) if the value is not valid. I.E. The value is null, undefined, an empty string or a string with more than 254 characters.
+  - Throws a [`TypeError`](../globals/TypeError/TypeError.mdx) if the value is not valid. I.E. The value is null, undefined, an empty string or a string with more than 254 characters.
 
 ### Return value