chore(deps): update dependency go to v1.22.4

Author: renovate[bot]

go.mod

@@ -2,7 +2,7 @@ module github.com/mjasion/golang-k8s-leader-example
 
 go 1.21
 
-toolchain go1.22.0
+toolchain go1.22.4
 
 require (
 	github.com/caitlinelfring/go-env-default v1.1.0