Fix Dockerfile lint

Dockerfile

@@ -1,18 +1,18 @@
 # syntax=docker/dockerfile:1.3
 FROM quay.io/almalinuxorg/9-minimal:9.3-20231124 AS base
-RUN microdnf install -y dnf
+RUN microdnf install -y dnf-4.* && dnf clean all
 RUN dnf install -y epel-release-9* git-2.* jq-1.* \
     openssl-3.* python3-pip-21.* python3-pyyaml-5.* \
     rpmdevtools-9.* sudo-1.*  && \
     dnf install -y mock-5.* automake-1.16.* && \
     dnf install -y wget-1.21.* && \
-    dnf install -y vim-enhanced emacs && dnf clean all
+    dnf install -y vim-enhanced-2:8.2.*  emacs-27.* && dnf clean all
 RUN useradd -s /bin/bash mockbuild -p "$(openssl passwd -1 mockbuild)"
 CMD ["bash"]
 
 FROM base as builder
 USER root
-RUN dnf install -y golang && dnf clean all
+RUN dnf install -y golang-1.20.* && dnf clean all
 RUN mkdir -p /src/code.arista.io/eos/tools/eext && mkdir -p /usr/bin
 WORKDIR /src/code.arista.io/eos/tools/eext
 COPY ./go.mod ./
@@ -25,8 +25,7 @@ COPY ./testutil/ testutil/
 COPY ./manifest/ manifest/
 COPY ./dnfconfig/ dnfconfig/
 COPY ./srcconfig/ srcconfig/
-RUN go mod download
-RUN go build -o /usr/bin/eext
+RUN go mod download && go build -o /usr/bin/eext
 
 FROM base as deploy
 ARG CFG_DIR=/usr/share/eext