Replace interface{} with any (#25686) (#25687)

Same perl replacement as https://github.com/go-gitea/gitea/pull/25686
but for 1.20 to ease future backporting.

services/externalaccount/link.go

@@ -13,8 +13,8 @@ import (
 
 // Store represents a thing that stores things
 type Store interface {
-	Get(interface{}) interface{}
-	Set(interface{}, interface{}) error
+	Get(any) any
+	Set(any, any) error
 	Release() error
 }