Windows tests on self-hosted runners (#29764)

Windows self-hosted runners

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Junkui Zhang <364772080@qq.com>

script/install-rustup.ps1

@@ -0,0 +1,39 @@
+# Checks if cargo is in the user's path or in default install path
+# If not, download with rustup-installer (which respects CARGO_HOME / RUSTUP_HOME)
+
+# Like 'set -e' in bash
+$ErrorActionPreference = "Stop"
+
+$cargoHome = if ($env:CARGO_HOME) { $env:CARGO_HOME } else { "$env:USERPROFILE\.cargo" }
+$rustupPath = "$cargoHome\bin\rustup.exe"
+$cargoPath = "$cargoHome\bin\cargo.exe"
+
+# Check if cargo is already available in path
+if (Get-Command cargo -ErrorAction SilentlyContinue)
+{
+    cargo --version
+    exit
+}
+# Check if rustup and cargo are available in CARGO_HOME
+elseif (-not ((Test-Path $rustupPath) -and (Test-Path $cargoPath))) {
+    Write-Output "Rustup or Cargo not found in $cargoHome, installing..."
+
+    $tempDir = [System.IO.Path]::GetTempPath()
+
+    # Download and install rustup
+    $RustupInitPath = "$tempDir\rustup-init.exe"
+    Write-Output "Downloading rustup installer..."
+    Invoke-WebRequest `
+        -OutFile $RustupInitPath `
+        -Uri https://static.rust-lang.org/rustup/dist/i686-pc-windows-gnu/rustup-init.exe
+
+    Write-Output "Installing rustup..."
+    & $RustupInitPath -y --default-toolchain none
+    Remove-Item -Force $RustupInitPath
+
+    Write-Output "Rust installation complete."
+    # This is necessary
+}
+
+& $rustupPath --version
+& $cargoPath --version