upgrade go to 1.23.1, upgrade ubi image to 9.4

Dockerfile

@@ -203,7 +203,7 @@ CMD ["agent", "-dev", "-client", "0.0.0.0"]
 
 # Red Hat UBI-based image
 # This target is used to build a Consul image for use on OpenShift.
-FROM registry.access.redhat.com/ubi9-minimal:9.3 as ubi
+FROM registry.access.redhat.com/ubi9-minimal:9.4 as ubi
 
 ARG PRODUCT_VERSION
 ARG PRODUCT_REVISION

go.mod

@@ -1,8 +1,8 @@
 module github.com/hashicorp/consul
 
-go 1.22
+go 1.23
 
-toolchain go1.22.5
+toolchain go1.23.1
 
 replace (
 	github.com/hashicorp/consul/api => ./api

test-integ/go.mod

@@ -1,8 +1,8 @@
 module github.com/hashicorp/consul/test-integ
 
-go 1.22
+go 1.23
 
-toolchain go1.22.5
+toolchain go1.23.1
 
 require (
 	github.com/google/go-cmp v0.5.9

test/integration/consul-container/go.mod

@@ -1,8 +1,8 @@
 module github.com/hashicorp/consul/test/integration/consul-container
 
-go 1.22
+go 1.23
 
-toolchain go1.22.5
+toolchain go1.23.1
 
 require (
 	fortio.org/fortio v1.54.0