Test-AzTemplate.sh - CRLF

Running Test-AzTemplate.sh on an ADO Ubuntu build agent fails with the error:

`./arm-ttk/Test-AzTemplate.sh: /bin/sh^M: bad interpreter: No such file or directory`

On checking the file is formatted with CRLF. Edited with vi -b and removing the ^M characters the script wrapper runs.

Start with arm-ttk/Test-AzTemplate.sh and inspect its line endings, as the issue reports CRLF formatting and a /bin/sh^M interpreter error. Normalize the script to LF and run Test-AzTemplate.sh on an Ubuntu build agent; done means the wrapper starts without the bad-interpreter error.

Written by the indexing model from the issue text.