Update vcluster integration and code server

[github-actions[bot]]

👋 Welcome @BobyMCbobs to Coder! Yo @coder/docs this is @BobyMCbobs's first pull-request here!

[BobyMCbobs]

Currently seeing the following logs from the code-server Pod

$ kubectl -n calebistesting15 logs code-server-0-x-default-x-calebistesting15
...
+ :
+ status=
+ command -v curl
+ curl -fsSL --compressed https://fccac4021ca7f3730ff7e47e6fd3cbec.pit-1.try.coder.app/bin/coder-linux-amd64 -o coder
curl: (22) The requested URL returned error: 404
+ status=22
+ echo error: failed to download coder agent
+ echo        command returned: 22
+ echo Trying again in 30 seconds...
+ sleep 30
error: failed to download coder agent
       command returned: 22
Trying again in 30 seconds...

which is from the coder_agent init-script