chore: use new tagged xtx (#24796)

go.mod

@@ -11,7 +11,7 @@ require (
 	cosmossdk.io/log v1.6.0
 	cosmossdk.io/math v1.5.3
 	cosmossdk.io/store v1.1.2
-	cosmossdk.io/x/tx v0.14.0
+	cosmossdk.io/x/tx v1.2.0-alpha.0
 	github.com/99designs/keyring v1.2.1
 	github.com/bgentry/speakeasy v0.2.0
 	github.com/bits-and-blooms/bitset v1.22.0
@@ -223,7 +223,6 @@ require (
 replace (
 	cosmossdk.io/collections => ./collections
 	cosmossdk.io/store => ./store
-	cosmossdk.io/x/tx => ./x/tx
 	github.com/cosmos/cosmos-db => github.com/cosmos/cosmos-db v0.0.0-20250505172547-38785e92904d
 )