fix(jupyterlab): update command -v from jupyterlab to jupyter-lab (#328)

Update `command -v` from `jupyterlab` to `jupyter-lab` to check to if
jupyterlab binary is installed.

jupyterlab/README.md

@@ -16,7 +16,7 @@ A module that adds JupyterLab in your Coder template.
 ```tf
 module "jupyterlab" {
   source   = "registry.coder.com/modules/jupyterlab/coder"
-  version  = "1.0.22"
+  version  = "1.0.23"
   agent_id = coder_agent.example.id
 }
 ```

jupyterlab/run.sh

@@ -9,7 +9,7 @@ BOLD='\033[0;1m'
 printf "$${BOLD}Installing jupyterlab!\n"
 
 # check if jupyterlab is installed
-if ! command -v jupyterlab > /dev/null 2>&1; then
+if ! command -v jupyter-lab > /dev/null 2>&1; then
   # install jupyterlab
   # check if pipx is installed
   if ! command -v pipx > /dev/null 2>&1; then