[docs][ray-operator] fix typo in Golang version (ray-project#2893)

Project uses Golang 1.22 not 1.20.

Signed-off-by: David Xia <david@davidxia.com>

Author: davidxia

ray-operator/DEVELOPMENT.md

@@ -7,7 +7,7 @@ This section walks through how to build and test the operator in a running Kuber
 | software | version  |                                                                link |
 |:---------|:--------:|--------------------------------------------------------------------:|
 | kubectl  | v1.23.0+ | [download](https://kubernetes.io/docs/tasks/tools/install-kubectl/) |
-| go       |  v1.20   |                                  [download](https://golang.org/dl/) |
+| go       |  v1.22   |                                  [download](https://golang.org/dl/) |
 | docker   |  19.03+  |                        [download](https://docs.docker.com/install/) |
 
 Alternatively, you can use podman (version 4.5+) instead of docker. See [podman.io](https://podman.io/getting-started/installation) for installation instructions. The Makefile allows you to specify the container engine to use via the `ENGINE` variable. For example, to use podman, you can run `ENGINE=podman make docker-build`.