Update windows-amd64.dockerfile

Author: KoenZomers

docker/windows-amd64.dockerfile

@@ -1,9 +1,7 @@
 FROM mcr.microsoft.com/windows/nanoserver:ltsc2025
 
-ENV POWERSHELL_VERSION=7.5.2
-
 # Download and install PowerShell 7
-RUN curl.exe -L -o pwsh.zip https://github.com/PowerShell/PowerShell/releases/download/v${POWERSHELL_VERSION}/PowerShell-${POWERSHELL_VERSION}-win-x64.zip
+RUN curl.exe -L -o pwsh.zip https://github.com/PowerShell/PowerShell/releases/download/v7.5.2/PowerShell-7.5.2-win-x64.zip
 RUN mkdir C:\pwsh
 RUN tar -xf pwsh.zip -C C:\pwsh
 RUN del pwsh.zip
@@ -16,3 +14,4 @@ RUN pwsh -Command "Install-Module -Name PnP.PowerShell -AlowPrerelease -SkipPubl
 
 # Start PowerShell
 CMD ["pwsh"]
+