chore: fix comments

Author: andyzhangx

Dockerfile

@@ -18,9 +18,7 @@ ARG ARCH
 ARG binary=./bin/${ARCH}/nfsplugin
 COPY ${binary} /nfsplugin
 
-RUN apt update && apt-mark unhold libcap2
+RUN apt update && apt upgrade -y && apt-mark unhold libcap2
 RUN clean-install ca-certificates mount nfs-common netbase
-# install updated packages to fix CVE issues
-RUN clean-install zlib1g gzip liblzma5
 
 ENTRYPOINT ["/nfsplugin"]