Upgrade go to 1.23

Signed-off-by: yiraeChristineKim <yikim@redhat.com>

Author: yiraeChristineKim

go.mod

@@ -1,6 +1,6 @@
 module github.com/stolostron/governance-policy-framework
 
-go 1.22.0
+go 1.23.0
 
 require (
 	github.com/google/uuid v1.6.0