chore(upgrade): add pacman to install list

Revert "chore(update): fix line break"

This reverts commit a24fb50e6d6f17b57d99e1c0e2d1c3421f24cb32.

Revert "chore(update): update golangci and force rebuild"

This reverts commit 25efafe25e18e4ddd85be51b866ced7481b5fcb0.

ci.Dockerfile

@@ -4,7 +4,8 @@ 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 diffutils && rm -rfv /var/cache/pacman/* /var/lib/pacman/sync/*
+RUN pacman -Syu --overwrite=* --needed --noconfirm go pacman fakeroot binutils gcc make git gettext diffutils && \
+    rm -rfv /var/cache/pacman/* /var/lib/pacman/sync/*
 
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.40.1