Update golangci-lint to 1.27.0

.golangci.yml

@@ -47,4 +47,4 @@ run:
     - postgres
 
 service:
-  golangci-lint-version: 1.26.x # use the fixed version to not introduce new linters unexpectedly
+  golangci-lint-version: 1.27.x # use the fixed version to not introduce new linters unexpectedly

Dockerfile

@@ -4,7 +4,7 @@ ARG GO_VERSION=1.14
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
 RUN apk --update add git
 ENV CGO_ENABLED=0
-ARG GOLANGCI_LINT_VERSION=v1.26.0
+ARG GOLANGCI_LINT_VERSION=v1.27.0
 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 .