chore(deps): Switch to maintained gopkg.in/yaml fork (#114131)

Signed-off-by: Dave Henderson <dave.henderson@grafana.com>

pkg/services/ngalert/api/tooling/definitions/alertmanager.go

@@ -13,7 +13,7 @@ import (
 	"github.com/prometheus/alertmanager/config"
 	"github.com/prometheus/alertmanager/pkg/labels"
 	"github.com/prometheus/common/model"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v3"
 
 	"github.com/grafana/alerting/definition"
 	alertingmodels "github.com/grafana/alerting/models"

pkg/services/ngalert/api/tooling/definitions/alertmanager_test.go

@@ -14,7 +14,7 @@ import (
 	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v3"
 )
 
 //go:embed test-data/*.*

pkg/services/ngalert/api/tooling/definitions/alertmanager_validation.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 
 	"github.com/grafana/alerting/templates"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v3"
 )
 
 func (t *NotificationTemplate) Validate() error {

pkg/services/ngalert/api/tooling/definitions/cortex-ruler_test.go

@@ -6,7 +6,7 @@ import (
 
 	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v3"
 )
 
 func Test_Rule_Marshaling(t *testing.T) {

pkg/services/ngalert/api/tooling/definitions/provisioning_policies_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	"gopkg.in/yaml.v3"
+	"go.yaml.in/yaml/v3"
 )
 
 func TestNotificationPolicyExportMarshal(t *testing.T) {