chore(x/upgrade): Use cosmossdk.io/core/codec instead of github.com/cosmos/cosmos-sdk/codec (#23261)

Co-authored-by: Marko <marko@baricevic.me>

x/upgrade/depinject.go

@@ -6,6 +6,7 @@ import (
 	modulev1 "cosmossdk.io/api/cosmos/upgrade/module/v1"
 	"cosmossdk.io/core/address"
 	"cosmossdk.io/core/appmodule"
+	"cosmossdk.io/core/codec"
 	coreserver "cosmossdk.io/core/server"
 	"cosmossdk.io/depinject"
 	"cosmossdk.io/depinject/appconfig"
@@ -13,7 +14,6 @@ import (
 	"cosmossdk.io/x/upgrade/types"
 
 	"github.com/cosmos/cosmos-sdk/client/flags"
-	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/types/module"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 )

x/upgrade/keeper/keeper.go

@@ -14,13 +14,13 @@ import (
 	"github.com/hashicorp/go-metrics"
 
 	"cosmossdk.io/core/appmodule"
+	"cosmossdk.io/core/codec"
 	"cosmossdk.io/core/server"
 	errorsmod "cosmossdk.io/errors"
 	"cosmossdk.io/store/prefix"
 	storetypes "cosmossdk.io/store/types"
 	"cosmossdk.io/x/upgrade/types"
 
-	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/runtime"
 	"github.com/cosmos/cosmos-sdk/telemetry"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"