Merge pull request #148 from projectsyn/renovate/go-1.x

Update dependency go to v1.23.4

Author: simu

go.mod

@@ -2,7 +2,7 @@ module github.com/projectsyn/steward
 
 go 1.23.0
 
-toolchain go1.23.3
+toolchain go1.23.4
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0