chore: upgrade golangci-lint

Makefile

@@ -134,7 +134,7 @@ gen-ssl:
 
 bin/golangci-lint:
 	@test -x $$(go env GOPATH)/bin/golangci-lint || \
-		curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $$(go env GOPATH)/bin v1.46.2
+		curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $$(go env GOPATH)/bin v1.48.0
 
 lint: bin/golangci-lint
 	$$(go env GOPATH)/bin/golangci-lint run

pubsub/http.go

@@ -2,7 +2,7 @@ package pubsub
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strconv"
 
@@ -100,7 +100,7 @@ func (s *HTTPSubscriber) Handler(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	body, err := ioutil.ReadAll(r.Body)
+	body, err := io.ReadAll(r.Body)
 
 	if err != nil {
 		s.log.Error("Failed to read request body")

server/server.go

@@ -8,6 +8,7 @@ import (
 	"net"
 	"net/http"
 	"sync"
+	"time"
 
 	"github.com/apex/log"
 	"golang.org/x/net/netutil"
@@ -59,7 +60,7 @@ func NewServer(host string, port string, ssl *SSLConfig, maxConn int) (*HTTPServ
 	mux := http.NewServeMux()
 	addr := net.JoinHostPort(host, port)
 
-	server := &http.Server{Addr: addr, Handler: mux}
+	server := &http.Server{Addr: addr, Handler: mux, ReadHeaderTimeout: 5 * time.Second}
 
 	secured := (ssl != nil) && ssl.Available()