Using apt-get because it's supposedly better for containers

Dockerfile

@@ -1,7 +1,7 @@
 FROM myoung34/github-runner:latest
 
 RUN export LAATSTE_KUBERNETES=$(wget -qO- https://dl.k8s.io/release/stable.txt | awk '{print substr($0, 1, 5)}') && \
-    apt update && apt upgrade -y && apt install -y apt-transport-https awscli ca-certificates curl git-crypt gnupg jq software-properties-common unzip && \
+    apt-get update && apt-get upgrade -y && apt-get install -y apt-transport-https awscli ca-certificates curl git-crypt gnupg jq software-properties-common unzip && \
     curl -fsSL https://pkgs.k8s.io/core:/stable:/$LAATSTE_KUBERNETES/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg && \
     chmod 644 /etc/apt/keyrings/kubernetes-apt-keyring.gpg && \
     echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/$LAATSTE_KUBERNETES/deb/ /" | tee /etc/apt/sources.list.d/kubernetes.list && \
@@ -10,6 +10,6 @@ RUN export LAATSTE_KUBERNETES=$(wget -qO- https://dl.k8s.io/release/stable.txt |
     echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | tee /etc/apt/sources.list.d/hashicorp.list && \
     curl https://baltocdn.com/helm/signing.asc | gpg --dearmor | tee /usr/share/keyrings/helm.gpg > /dev/null && \
     echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/helm.gpg] https://baltocdn.com/helm/stable/debian/ all main" | tee /etc/apt/sources.list.d/helm-stable-debian.list && \
-    apt update && apt-get install -y helm kubectl terraform && \
+    apt-get update && apt-get install -y helm kubectl terraform && \
     curl -s https://raw.githubusercontent.com/terraform-linters/tflint/master/install_linux.sh | bash && \
     apt-get autoremove -y && apt-get clean -y