[release-12.0.2] Chore: Address linting issues to unblock CI (#106610)

Chore: Address linting issues to unblock CI

pkg/services/ngalert/api/api_ruler_validation_test.go

@@ -10,6 +10,8 @@ import (
 	"github.com/google/uuid"
 	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/require"
+
+	//nolint:staticcheck
 	"golang.org/x/exp/rand"
 
 	"github.com/grafana/grafana/pkg/services/featuremgmt"