upgrade alpine-3.17 to alpine-3.20 (#27821)

Author: YanaXu

docker/Dockerfile-alpine-3.17 renamed to docker/Dockerfile-alpine-3.20

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/powershell:alpine-3.17
+FROM mcr.microsoft.com/powershell:alpine-3.20
 RUN apk update && apk upgrade --no-cache
 
 ARG REPOSITORY=PSGallery
@@ -11,9 +11,9 @@ ARG BUILD_DATE=
 ARG VERSION=
 ARG LATEST=
 ARG BLOB_URL=
-ARG IMAGE_NAME=mcr.microsoft.com/azure-powershell:${VERSION}-alpine-3.17
+ARG IMAGE_NAME=mcr.microsoft.com/azure-powershell:${VERSION}-alpine-3.20
 
-ENV AZUREPS_HOST_ENVIRONMENT="dockerImage/${VERSION}-alpine-3.17"
+ENV AZUREPS_HOST_ENVIRONMENT="dockerImage/${VERSION}-alpine-3.20"
 
 LABEL maintainer="Azure PowerShell Team <azdevxps@microsoft.com>" \
     readme.md="http://aka.ms/azpsdockerreadme" \