refactor(x/auth): spin out go.mod (#18351)

docs/architecture/adr-011-generalize-genesis-accounts.md

@@ -63,7 +63,7 @@ The `auth` codec must have all custom account types registered to marshal them.
 An example custom account definition:
 
 ```go
-import authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+import authtypes "cosmossdk.io/x/auth/types"
 
 // Register the module account type with the auth module codec so it can decode module accounts stored in a genesis file
 func init() {

docs/architecture/adr-057-app-wiring.md

@@ -228,7 +228,7 @@ package main
 import (
 	// Each go package which registers a module must be imported just for side-effects
 	// so that module implementations are registered.
-	_ "github.com/cosmos/cosmos-sdk/x/auth/module"
+	_ "cosmossdk.io/x/auth/module"
 	_ "cosmossdk.io/x/bank/module"
 	_ "cosmossdk.io/x/staking/module"
 	"github.com/cosmos/cosmos-sdk/core/app"