Update the installation script PR (#4167)

* Update docs to use qmk_install

* Update Vagrantfile to use qmk_install

Vagrantfile

@@ -59,7 +59,7 @@ Vagrant.configure(2) do |config|
   # add a # before ,args: and run 'vagrant up' to get a working
   # non-updated box and then attempt to troubleshoot or open a Github issue
 
-  config.vm.provision "shell", run: "always", path: "./util/install_dependencies.sh", args: "-update"
+  config.vm.provision "shell", run: "always", path: "./util/qmk_install.sh", args: "-update"
 
   config.vm.post_up_message = <<-EOT
 

docs/getting_started_build_tools.md

@@ -8,7 +8,7 @@ Note: If it is your first time here, Check out the "Complete Newbs guide" instea
 
 ## Linux
 
-To ensure you are always up to date, you can just run `sudo util/install_dependencies.sh`. That should always install all the dependencies needed. **This will run `apt-get upgrade`.**
+To ensure you are always up to date, you can just run `sudo util/qmk_install.sh`. That should always install all the dependencies needed. **This will run `apt-get upgrade`.**
 
 You can also install things manually, but this documentation might not be always up to date with all requirements.