Code maintenance: upgrade golangci-lint to 1.34.1

Dockerfile

@@ -4,7 +4,7 @@ ARG GO_VERSION=1.15
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
 RUN apk --update add git
 ENV CGO_ENABLED=0
-ARG GOLANGCI_LINT_VERSION=v1.33.0
+ARG GOLANGCI_LINT_VERSION=v1.34.1
 RUN wget -O- -nv https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s ${GOLANGCI_LINT_VERSION}
 WORKDIR /tmp/gobuild
 COPY .golangci.yml .

internal/constants/privado.go

@@ -20,7 +20,6 @@ func PrivadoHostnameChoices() (choices []string) {
 	return choices
 }
 
-//nolint:gomnd
 func PrivadoServers() []models.PrivadoServer {
 	return []models.PrivadoServer{
 		{Hostname: "akl-001.vpn.privado.io", IP: net.IP{23, 254, 104, 114}},

internal/logging/line.go

@@ -10,7 +10,6 @@ import (
 	"github.com/qdm12/golibs/logging"
 )
 
-//nolint:lll
 var regularExpressions = struct { //nolint:gochecknoglobals
 	unboundPrefix *regexp.Regexp
 }{

internal/server/publicip.go

@@ -1,4 +1,3 @@
-//nolint:dupl
 package server
 
 import (