Update readme for k8s version

This will update readme for k8s version requirement and
support details

update task to match with golang version and readme changes

README.md

@@ -44,6 +44,7 @@ We are so excited to have you!
 
 | Version     | Minimum K8S | Pipeline    | Release Date | End of Life |
 |-------------|-------------|-------------|--------------|-------------|
+| v0.72.x     | 1.28.x      | v0.61.x     | 2024-07-11   | 2024-08-11  |
 | v0.71.x LTS | 1.27.x      | v0.59.x LTS | 2024-06-06   | 2025-06-06  |
 | v0.70.x LTS | 1.25.x      | v0.56.x LTS | 2024-02-21   | 2025-02-21  |
 | v0.69.x LTS | 1.25.x      | v0.53.x LTS | 2023-12-28   | 2024-12-28  |

tekton/release-cheat-sheet.md

@@ -19,7 +19,7 @@ need a checkout of the operator repo, a terminal window and a text editor.
 
    Set the version in a variable.
 
-    ```bash
+   ```bash
     TEKTON_RELEASE_VERSION=v0.62.0
    ```
 
@@ -29,7 +29,7 @@ need a checkout of the operator repo, a terminal window and a text editor.
     1. If this is a **new minor version release** create a new branch from either the head of `#main` branch if the
        commit identified in step1.
 
-       ```bash
+   ```bash
    TEKTON_RELEASE_BRANCH=release-v0.62.x git checkout -b ${TEKTON_RELEASE_BRANCH}
    ```
     2. If this is a **patch release** make sure that the correct branch is checkout. eg: If we are making release

tekton/task-fetch-components.yaml

@@ -14,7 +14,7 @@ spec:
     description: Target platform for for which the payload is going to be used
     default: "kubernetes openshift"
   steps:
-  - image: docker.io/library/golang:1.18
+  - image: docker.io/library/golang:1.22
     name: fetch-components
     workingDir: /go/src/github.com/tektoncd/operator
     script: |