Upgrade golangci-lint to v1.33.0

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=v1.31.0
+ARG GOLANGCI_LINT_VERSION=v1.33.0
 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/dns.go

@@ -97,7 +97,7 @@ func DNSProviderMapping() map[models.DNSProvider]models.DNSProviderData {
 	}
 }
 
-// Block lists URLs
+// Block lists URLs.
 //nolint:lll
 const (
 	AdsBlockListHostnamesURL          models.URL = "https://raw.githubusercontent.com/qdm12/files/master/ads-hostnames.updated"