docs: Update namespace patch and dependency for installation.md (#377)

**Reason for Change**:
Update the installation doc with the new namespace and add 'jq' as
necessary tool to be installed

**Requirements**
- [ ] added unit tests and e2e tests (if applicable).

**Issue Fixed**:
<!-- If this PR fixes GitHub issue 4321, add "Fixes #4321" to the next
line. -->

**Notes for Reviewers**:

**Reason for Change**:
<!-- What does this PR improve or fix in Kaito? Why is it needed? -->

**Requirements**

- [ ] added unit tests and e2e tests (if applicable).

**Issue Fixed**:
<!-- If this PR fixes GitHub issue 4321, add "Fixes #4321" to the next
line. -->

**Notes for Reviewers**:

Signed-off-by: Bangqi Zhu <bangqizhu@microsoft.com>
Co-authored-by: Bangqi Zhu <bangqizhu@microsoft.com>

docs/installation.md

@@ -8,6 +8,7 @@ Before you begin, ensure you have the following tools installed:
 - [Helm](https://helm.sh) to install this operator
 - [kubectl](https://kubernetes.io/docs/tasks/tools/) to view Kubernetes resources
 - [git](https://git-scm.com/downloads) to clone this repo locally
+- [jq](https://jqlang.github.io/jq/download) to process JSON files
 
 **Important Note**:
 Ensure you use a release branch of the repository for a stable version of the installation.
@@ -110,7 +111,7 @@ helm list -n default
 Check status of the `workspace`.
 
 ```bash
-kubectl describe deploy workspace -n workspace
+kubectl describe deploy workspace -n kaito-workspace
 ```
 
 Check status of the `gpu-provisioner`.