chore(README.md): Update kfp upstream version for v2 branch (#1430)

README.md

@@ -19,7 +19,7 @@ We are currently using [Kubeflow Pipelines 1.8.4](https://github.com/kubeflow/pi
 [Tekton >= 0.53.2](https://github.com/tektoncd/pipeline/releases/tag/v0.53.2)
 in the master branch for this project.
 
-For [Kubeflow Pipelines 2.0.4](https://github.com/kubeflow/pipelines/releases/tag/2.0.4) and
+For [Kubeflow Pipelines 2.0.5](https://github.com/kubeflow/pipelines/releases/tag/2.0.5) and
 [Tekton >= 0.53.2](https://github.com/tektoncd/pipeline/releases/tag/v0.53.2)
 integration, please check out the [kfp-tekton v2-integration](https://github.com/kubeflow/kfp-tekton/tree/v2-integration) branch and [KFP-Tekton V2 deployment](/guides/kfp_tekton_install.md#standalone-kubeflow-pipelines-v2-with-tekton-backend-deployment) instead.