Update dockerfile to include latest tkn version

Author: savitaashture

ci/ci.Dockerfile

@@ -10,7 +10,7 @@ RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
 RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
 
 RUN yum install -y kubectl httpd-tools jq make git which
-RUN  rpm -Uvh https://github.com/tektoncd/cli/releases/download/v0.33.0/tektoncd-cli-0.33.0_Linux-64bit.rpm
+RUN  rpm -Uvh https://github.com/tektoncd/cli/releases/download/v0.37.0/tektoncd-cli-0.37.0_Linux-64bit.rpm
 
 # Serverless-Operator `make generated-files` needs helm
 RUN curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash