Add replace to go.mod

Author: alpe

apps/evm/single/go.mod

@@ -4,6 +4,8 @@ go 1.24.6
 
 replace github.com/celestiaorg/go-header => github.com/julienrbrt/go-header v0.0.0-20251008134330-747c8c192fa8 // TODO: to remove after https://github.com/celestiaorg/go-header/pull/347
 
+replace github.com/evstack/ev-node => ../../../
+
 require (
 	github.com/celestiaorg/go-header v0.7.3
 	github.com/ethereum/go-ethereum v1.16.5