Upgrade to yaml v3

go.mod

@@ -31,7 +31,6 @@ require (
 	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98
 	google.golang.org/grpc v1.58.3
 	google.golang.org/protobuf v1.31.0
-	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1
 	k8s.io/api v0.28.3
 	k8s.io/apimachinery v0.28.3
@@ -117,6 +116,7 @@ require (
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	k8s.io/apiextensions-apiserver v0.28.3 // indirect
 	k8s.io/component-base v0.28.3 // indirect
 	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect

pkg/operator/apis/monitoring/v1/types.go

@@ -27,7 +27,7 @@ import (
 	"github.com/prometheus/prometheus/discovery"
 	discoverykube "github.com/prometheus/prometheus/discovery/kubernetes"
 	"github.com/prometheus/prometheus/model/relabel"
-	yaml "gopkg.in/yaml.v2"
+	"gopkg.in/yaml.v3"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"

pkg/operator/apis/monitoring/v1/types_test.go

@@ -26,7 +26,7 @@ import (
 	"github.com/google/go-cmp/cmp/cmpopts"
 	prommodel "github.com/prometheus/common/model"
 	"github.com/prometheus/prometheus/model/relabel"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/intstr"
 )

pkg/rules/rules.go

@@ -21,7 +21,7 @@ import (
 	"github.com/prometheus/prometheus/model/labels"
 	"github.com/prometheus/prometheus/model/rulefmt"
 	"github.com/prometheus/prometheus/promql/parser"
-	yaml "gopkg.in/yaml.v2"
+	yaml "gopkg.in/yaml.v3"
 
 	monitoringv1 "github.com/GoogleCloudPlatform/prometheus-engine/pkg/operator/apis/monitoring/v1"
 )