Running tkn pipeline on local openshift cluster results in error during cloning

[arnagaram]

Was following the guide from:

https://github.com/redhat-openshift-ecosystem/certification-releases/blob/main/4.9/ga/ci-pipeline.md

Please note that the fork repo is a public repo:

https://github.com/arnagaram/certified-operators

~/operator-pipelines$ tkn pipeline start operator-ci-pipeline --param git_repo_url=$GIT_REPO_URL --param git_branch=main --param bundle_path=$BUNDLE_PATH --param upstream_repo_name=redhat-openshift-ecosystem/certified-operators --param env=prod --workspace name=pipeline,volumeClaimTemplateFile=templates/workspace-template.yml --showlog --kubeconfig=/home/zuul/controller_config --param submit=true

Following is the error:

[checkout : clone] + /ko-app/git-init -url=git@github.com:arnagaram/certified-operators.git -revision=main -refspec= -path=/workspace/output/ -sslVerify=true -submodules=true -depth=1 -sparseCheckoutDirectories= [checkout : clone] {"level":"warn","ts":1746804849.2066984,"caller":"git/git.go:273","msg":"URL(\"git@github.com:arnagaram/certified-operators.git\") appears to need SSH authentication but no SSH credentials have been provided"} [checkout : clone] {"level":"error","ts":1746804849.7791133,"caller":"git/git.go:55","msg":"Error running git [fetch --recurse-submodules=yes --depth=1 origin --update-head-ok --force main]: exit status 128\nWarning: Permanently added 'github.com,140.82.121.4' (ECDSA) to the list of known hosts.\r\ngit@github.com: Permission denied (publickey).\r\nfatal: Could not read from remote repository.\n\nPlease make sure you have the correct access rights\nand the repository exists.\n","stacktrace":"github.com/tektoncd/pipeline/pkg/git.run\n\t/go/src/github.com/tektoncd/pipeline/pkg/git/git.go:55\ngithub.com/tektoncd/pipeline/pkg/git.Fetch\n\t/go/src/github.com/tektoncd/pipeline/pkg/git/git.go:158\nmain.main\n\t/go/src/github.com/tektoncd/pipeline/cmd/git-init/main.go:53\nruntime.main\n\t/usr/lib/golang/src/runtime/proc.go:255"}