Add kfp-tekton 1.3.0 release template (kubeflow#1011)

Author: Tomcli

Makefile

@@ -16,7 +16,7 @@
 #  - The help target was derived from https://stackoverflow.com/a/35730328/5601796
 
 VENV ?= .venv
-KFP_TEKTON_RELEASE ?= v1.2.1
+KFP_TEKTON_RELEASE ?= v1.3.0
 export VIRTUAL_ENV := $(abspath ${VENV})
 export PATH := ${VIRTUAL_ENV}/bin:${PATH}
 DOCKER_REGISTRY ?= aipipeline

VERSION

@@ -1 +1 @@
-1.2.1
+1.3.0

guides/kfp_tekton_install.md

@@ -53,15 +53,15 @@ To install the standalone Kubeflow Pipelines with Tekton, run the following step
          -p '{"data":{"enable-custom-tasks": "true"}}'
    ```
 
-3. Install Kubeflow Pipelines with Tekton backend (`kfp-tekton`) `v1.2.1` [custom resource definitions](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/)(CRDs).
+3. Install Kubeflow Pipelines with Tekton backend (`kfp-tekton`) `v1.3.0` [custom resource definitions](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/)(CRDs).
    > Note: You can ignore the error `no matches for kind "Application" in version "app.k8s.io/v1beta1"` since it's a warning saying `application` CRD is not yet ready.
     ```shell
-    kubectl apply --selector kubeflow/crd-install=true -f install/v1.2.1/kfp-tekton.yaml
+    kubectl apply --selector kubeflow/crd-install=true -f install/v1.3.0/kfp-tekton.yaml
     ```
 
-4. Install Kubeflow Pipelines with Tekton backend (`kfp-tekton`) `v1.2.1` deployment
+4. Install Kubeflow Pipelines with Tekton backend (`kfp-tekton`) `v1.3.0` deployment
     ```shell
-    kubectl apply -f install/v1.2.1/kfp-tekton.yaml
+    kubectl apply -f install/v1.3.0/kfp-tekton.yaml
     ```
 
 5. Then, if you want to expose the Kubeflow Pipelines endpoint outside the cluster, run the following commands:
@@ -91,7 +91,7 @@ To install the standalone Kubeflow Pipelines with Tekton, run the following step
 
 1. Follow the [Kubeflow install instructions](https://www.kubeflow.org/docs/ibm/deploy/install-kubeflow-on-iks/#kubeflow-installation)
    to install the entire Kubeflow stack with `kfp-tekton`.
-   Kubeflow `v1.5.0` uses Tekton `v0.30.0` and `kfp-tekton` `v1.1.1`. <!-- TODO update-->
+   Kubeflow `v1.6.0` uses Tekton `v0.31.4` and `kfp-tekton` `v1.2.1`. <!-- TODO update-->
 
 2. Visit [KFP Tekton User Guide](/guides/kfp-user-guide) and start learning how to use Kubeflow pipeline.