[Doc] Update the vSphere cluster Launcher Maintainer. (#39758)

Since Vinod has left the company, we need to update the vSphere Launcher maintainer list to add Roshan and Chen. Roshan acts as Vinod's successor, while Chen will be responsible for overseeing Ray-OSS and facilitating open-source development collaboration.

Signed-off-by: Layne Peng <playne@vmware.com>

doc/source/cluster/vms/getting-started.rst

@@ -71,7 +71,7 @@ Before we start, you will need to install some Python dependencies as follows:
 
                 $ pip install -U "ray[default]" "git+https://github.com/vmware/vsphere-automation-sdk-python.git"
 
-            vSphere Cluster Launcher Maintainers (GitHub handles): @vinodkri, @LaynePeng
+            vSphere Cluster Launcher Maintainers (GitHub handles): @LaynePeng, @roshankathawate, @JingChen23
 
 
 Next, if you're not set up to use your cloud provider from the command line, you'll have to configure your credentials: