Debain 12 Install Instructions (#3639)

* fixing bug where auth parameter was ignored by Python v2.

* Debain 12 install instructions.

Author: khkh-ms

README.md

@@ -158,18 +158,19 @@ wget -q https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-pr
 sudo dpkg -i packages-microsoft-prod.deb
 ```
 
-##### Debian 9 / 10
+##### Debian 12
 
 ```bash
-# set to 9 or 10
-DEBIAN_VERSION=10
+export DEBIAN_VERSION=12
 
-wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg
-sudo mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/
+apt-get update && apt-get install gpg wget  -y
+wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | tee /usr/share/keyrings/microsoft-prod.gpg
 wget -q https://packages.microsoft.com/config/debian/$DEBIAN_VERSION/prod.list
-sudo mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
-sudo chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg
-sudo chown root:root /etc/apt/sources.list.d/microsoft-prod.list
+mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
+chown root:root /usr/share/keyrings/microsoft-prod.gpg
+chown root:root /etc/apt/sources.list.d/microsoft-prod.list
+apt-get update && apt-get install azure-functions-core-tools-4  -y
+apt-get update && apt-get install libicu-dev  -y
 ```
 
 #### 2. Install