chore(deps): update dependency go to v1.23.4

Author: terraform-ibm-modules-ops

tests/go.mod

@@ -2,7 +2,7 @@ module github.com/terraform-ibm-modules/terraform-ibm-external-secrets-operator
 
 go 1.22.4
 
-toolchain go1.23.3
+toolchain go1.23.4
 
 require (
 	github.com/stretchr/testify v1.10.0