Install powershell and azure-cli on deb 12 (#1187)

src/debian/11/amd64/Dockerfile

@@ -49,8 +49,7 @@ RUN echo "locales locales/default_environment_locale select en_US.UTF-8" | debco
     && rm "/etc/locale.gen" \
     && dpkg-reconfigure --frontend noninteractive locales
 
-# Install powershell. This is in the debpkg/amd64 docker file as it may not be required in the arm64
-# images, and is not actually supported over there.
+# Install powershell.
 RUN apt-get update && \
     apt-get install -y \
       apt-transport-https \

src/debian/12/gcc14/amd64/Dockerfile

@@ -3,6 +3,7 @@ FROM library/gcc:14-bookworm
 # Dependencies for dotnet/runtime native components.
 RUN apt-get update && \
     apt-get install -y \
+        azure-cli \
         cmake \
         curl \
         gdb \
@@ -29,3 +30,16 @@ ENV LANG=en_US.utf8
 # In the runtime repo, we (by design) give precedence to suffixed compilers before selecting unsuffixed one in PATH.
 RUN ln -s $(command -v gcc) /usr/bin/gcc-14 && \
     ln -s $(command -v g++) /usr/bin/g++-14
+
+# Install powershell. Specifically use deb 11 PMC because 12 doesn't have it yet.
+RUN apt-get update && \
+    apt-get install -y \
+      apt-transport-https \
+      software-properties-common \
+      curl && \
+    curl -sL https://packages.microsoft.com/config/debian/11/packages-microsoft-prod.deb -o packages-microsoft-prod.deb && \
+    dpkg -i packages-microsoft-prod.deb && \
+    rm packages-microsoft-prod.deb && \
+    apt-get update && \
+    apt-get install -y powershell && \
+    rm -rf /var/lib/apt/lists/*