Update Ubuntu/Debian install instructions

We are currently incorrectly instructing Ubuntu/Debian users to install
microsoft/git using an old package name (git-vfs). I have updated the
sample command to use the new name (microsoft-git) and the latest
version (2.33.0.vfs.0.0).

Author: ldennington

README.md

@@ -141,7 +141,7 @@ Please use the most recent
 you can download a specific version as follows:
 
 ```shell
-wget -O microsoft-git.deb https://github.com/microsoft/git/releases/download/v2.32.0.vfs.0.2/git-vfs_2.32.0.vfs.0.2.deb
+wget -O microsoft-git.deb https://github.com/microsoft/git/releases/download/v2.33.0.vfs.0.0/microsoft-git_2.33.0.vfs.0.0.deb
 sudo dpkg -i microsoft-git.deb
 ```