Chore: replace macaron with web package (#40136)

* replace macaron with web package

* add web.go

pkg/services/ngalert/api/util.go

@@ -23,8 +23,8 @@ import (
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb"
 	"github.com/grafana/grafana/pkg/util"
+	"github.com/grafana/grafana/pkg/web"
 	"github.com/pkg/errors"
-	"gopkg.in/macaron.v1"
 	"gopkg.in/yaml.v3"
 )
 
@@ -40,7 +40,7 @@ func toMacaronPath(path string) string {
 }
 
 func backendType(ctx *models.ReqContext, cache datasources.CacheService) (apimodels.Backend, error) {
-	recipient := macaron.Params(ctx.Req)[":Recipient"]
+	recipient := web.Params(ctx.Req)[":Recipient"]
 	if recipient == apimodels.GrafanaBackend.String() {
 		return apimodels.GrafanaBackend, nil
 	}
@@ -77,7 +77,7 @@ func replacedResponseWriter(ctx *models.ReqContext) (*models.ReqContext, *respon
 	resp := response.CreateNormalResponse(make(http.Header), nil, 0)
 	cpy := *ctx
 	cpyMCtx := *cpy.Context
-	cpyMCtx.Resp = macaron.NewResponseWriter(ctx.Req.Method, &safeMacaronWrapper{resp})
+	cpyMCtx.Resp = web.NewResponseWriter(ctx.Req.Method, &safeMacaronWrapper{resp})
 	cpy.Context = &cpyMCtx
 	return &cpy, resp
 }