chore: add gh CLI to image

Needed for the create-github-release task in the release-service-catalog

Signed-off-by: Ernesto González <[email protected]>

Dockerfile

@@ -5,12 +5,14 @@ ARG KUBECTL_VERSION=1.27.2
 ARG OCP_VERSION=4.14.0-rc.5
 ARG YQ_VERSION=4.34.1
 ARG GLAB_VERSION=1.31.0
+ARG GH_VERSION=2.32.1
 
 RUN curl -L https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 -o /usr/bin/yq &&\
     curl -L https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /usr/bin/kubectl &&\
     curl -L https://mirror.openshift.com/pub/openshift-v4/x86_64/clients/ocp/${OCP_VERSION}/opm-linux.tar.gz |tar -C /usr/bin -xzf - &&\
     curl -L https://gitlab.com/gitlab-org/cli/-/releases/v${GLAB_VERSION}/downloads/glab_${GLAB_VERSION}_Linux_x86_64.tar.gz | tar -C /usr -xzf - bin/glab &&\
-    chmod +x /usr/bin/{yq,kubectl,opm,glab} &&\
+    curl -L https://github.com/cli/cli/releases/download/v${GH_VERSION}/gh_${GH_VERSION}_linux_amd64.tar.gz  | tar -C /usr -xzf - --strip=1 gh_${GH_VERSION}_linux_amd64/bin/gh &&\
+    chmod +x /usr/bin/{yq,kubectl,opm,glab,gh} &&\
     rpm -ivh https://github.com/sigstore/cosign/releases/download/v${COSIGN_VERSION}/cosign-${COSIGN_VERSION}.x86_64.rpm
 
 RUN dnf -y --setopt=tsflags=nodocs install \