Fix installation of gh

Dockerfile

@@ -51,14 +51,18 @@ SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
 RUN chmod +x /entrypoint.sh ;\
   apt-get update -y ;\
   apt-get install --no-install-recommends -y \
+    curl \
     gpg-agent \
     software-properties-common ;\
   add-apt-repository ppa:git-core/ppa ;\
+  curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg ;\
+  chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg ;\
+  echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null ;\
   apt-get update -y ;\
   apt-get install --no-install-recommends -y \
     git \
+    gh \
     hub \
-    github-cli \
     jq ;\
   apt-get clean ;\
   rm -rf /var/lib/apt/lists/*