feat(installer): 更新PowerShell安装脚本以自动获取最新版本

通过GitHub API获取最新版本号，动态下载对应的安装包，避免硬编码版本号

Author: mudssky

linux/ubuntu/installer/install_pwsh.sh

@@ -8,20 +8,28 @@
 sudo apt-get update
 
 # Install pre-requisite packages.
-sudo apt-get install -y wget
+sudo apt-get install -y wget curl
+
+# Get the latest PowerShell version from GitHub API
+echo "Getting latest PowerShell version..."
+LATEST_VERSION=$(curl -s https://api.github.com/repos/PowerShell/PowerShell/releases/latest | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+echo "Latest version: $LATEST_VERSION"
 
 # Download the PowerShell package file
-wget https://github.com/PowerShell/PowerShell/releases/download/v7.5.1/powershell_7.5.1-1.deb_amd64.deb
+PACKAGE_NAME="powershell_${LATEST_VERSION#v}-1.deb_amd64.deb"
+DOWNLOAD_URL="https://github.com/PowerShell/PowerShell/releases/download/$LATEST_VERSION/$PACKAGE_NAME"
+echo "Downloading $PACKAGE_NAME..."
+wget "$DOWNLOAD_URL"
 
 ###################################
 # Install the PowerShell package
-sudo dpkg -i powershell_7.5.1-1.deb_amd64.deb
+sudo dpkg -i "$PACKAGE_NAME"
 
 # Resolve missing dependencies and finish the install (if necessary)
 sudo apt-get install -f
 
 # Delete the downloaded package file
-rm powershell_7.5.1-1.deb_amd64.deb
+rm "$PACKAGE_NAME"
 
 # Start PowerShell Preview
 pwsh