chore: update go version to 1.20 (#3105)

* chore: update go version to 1.20

go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary
 
-go 1.19
+go 1.20
 
 replace github.com/hashicorp/boundary/api => ./api
 

plugins/host/mains/aws/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/host/mains/aws
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/boundary-plugin-host-aws v0.1.3

plugins/host/mains/azure/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/host/mains/azure
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/boundary-plugin-host-azure v0.1.1

plugins/kms/mains/alicloudkms/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/alicloudkms
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180

plugins/kms/mains/awskms/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/awskms
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180

plugins/kms/mains/azurekeyvault/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/azurekeyvault
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180

plugins/kms/mains/gcpckms/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/gcpckms
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180

plugins/kms/mains/ocikms/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/ocikms
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180

plugins/kms/mains/transit/go.mod

@@ -1,6 +1,6 @@
 module github.com/hashicorp/boundary/plugins/kms/mains/transit
 
-go 1.19
+go 1.20
 
 require (
 	github.com/hashicorp/go-kms-wrapping/plugin/v2 v2.0.4-0.20230228185604-529de2006180