chore(docker): update golangci and squash ops

ci.Dockerfile

@@ -4,10 +4,9 @@ LABEL maintainer="Jguer,joaogg3 at google mail"
 ENV GO111MODULE=on
 WORKDIR /app
 
-RUN pacman -Syu --overwrite=* --needed --noconfirm go fakeroot binutils gcc make git gettext && rm -rfv /var/cache/pacman/* /var/lib/pacman/sync/*
-
-RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.41.1
-
 COPY go.mod .
 
-RUN go mod download
+RUN pacman -Syu --overwrite=* --needed --noconfirm go fakeroot binutils gcc make git gettext && \
+    rm -rfv /var/cache/pacman/* /var/lib/pacman/sync/* && \
+    curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.42.0 && \
+    go mod download