Chore: Fix goimports grouping in alerting (#62424)

* fix goimports

* fix goimports order

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

@@ -3,10 +3,10 @@ package definitions
 import (
 	"time"
 
+	"github.com/prometheus/common/model"
+
 	"github.com/grafana/grafana/pkg/services/ngalert/models"
 	"github.com/grafana/grafana/pkg/services/provisioning/alerting/file"
-
-	"github.com/prometheus/common/model"
 )
 
 // swagger:route GET /api/v1/provisioning/alert-rules provisioning stable RouteGetAlertRules

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

@@ -1,8 +1,9 @@
 package definitions
 
 import (
-	"github.com/grafana/grafana/pkg/services/ngalert/models"
 	"github.com/prometheus/alertmanager/config"
+
+	"github.com/grafana/grafana/pkg/services/ngalert/models"
 )
 
 // swagger:route GET /api/v1/provisioning/mute-timings provisioning stable RouteGetMuteTimings

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

@@ -7,9 +7,8 @@ import (
 
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	"github.com/grafana/grafana-plugin-sdk-go/data"
-	"github.com/prometheus/common/model"
-
 	"github.com/prometheus/alertmanager/config"
+	"github.com/prometheus/common/model"
 	"github.com/prometheus/prometheus/promql"
 
 	"github.com/grafana/grafana/pkg/services/ngalert/models"