chore: bump go to 1.25.7 across modules

contrib/rpcimportable/go.mod

@@ -1,30 +1,3 @@
 module github.com/zeta-chain/node/contrib/rpcimportable
 
-go 1.22.5
-
-// this go.mod should be empty when committed
-// the go.sum should not be committed
-
-// this replacement is unavoidable until we upgrade cosmos sdk >=v0.50
-// but we should not tolerate any other replacements
-replace (
-    github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
-)
-
-// go-ethereum fork must be used as it removes incompatible pebbledb version
-// TODO evm: verify if pebbledb issue is in cosmos go ethereum fork
-replace (
-    github.com/ethereum/go-ethereum => github.com/cosmos/go-ethereum v1.15.11-cosmos-0
-)
-
-replace (
-	github.com/cosmos/evm => github.com/zeta-chain/evm v0.0.0-20250808111716-1882abec3ec9
-)
-
-// protocol-contracts was renamed to protocol-contracts-evm; redirect to old module path
-replace (
-	github.com/zeta-chain/protocol-contracts-evm => github.com/zeta-chain/protocol-contracts v0.0.0-20250909184950-6034c08e5870
-)
-
-// uncomment this for local development/testing/debugging
-// replace github.com/zeta-chain/node => ../..
+go 1.25

go.mod

@@ -1,8 +1,8 @@
 module github.com/zeta-chain/node
 
-go 1.23.8
+go 1.25
 
-toolchain go1.23.9
+toolchain go1.25.7
 
 require (
 	cosmossdk.io/errors v1.0.2