Merge pull request #4906 from kennith/update-virtualbox-version

[5.7] VirtualBox 6 is tested with Homestead w/o issue

Author: taylorotwell

homestead.md

@@ -82,7 +82,7 @@ Homestead runs on any Windows, Mac, or Linux system, and includes the Nginx web
 <a name="first-steps"></a>
 ### First Steps
 
-Before launching your Homestead environment, you must install [VirtualBox 5.2](https://www.virtualbox.org/wiki/Downloads), [VMWare](https://www.vmware.com), [Parallels](https://www.parallels.com/products/desktop/) or [Hyper-V](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/quick-start/enable-hyper-v) as well as [Vagrant](https://www.vagrantup.com/downloads.html). All of these software packages provide easy-to-use visual installers for all popular operating systems.
+Before launching your Homestead environment, you must install [VirtualBox](https://www.virtualbox.org/wiki/Downloads), [VMWare](https://www.vmware.com), [Parallels](https://www.parallels.com/products/desktop/) or [Hyper-V](https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/quick-start/enable-hyper-v) as well as [Vagrant](https://www.vagrantup.com/downloads.html). All of these software packages provide easy-to-use visual installers for all popular operating systems.
 
 To use the VMware provider, you will need to purchase both VMware Fusion / Workstation and the [VMware Vagrant plug-in](https://www.vagrantup.com/vmware). Though it is not free, VMware can provide faster shared folder performance out of the box.