Use FAT32 target for Windows mtime repro

Author: mlafeldt

.github/workflows/windows-bundled-archive-mtime.yml

@@ -19,8 +19,26 @@ jobs:
         with:
           ref: v1.10503.0
       - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Create FAT32 target volume
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = "Stop"
+          $vhd = Join-Path $env:RUNNER_TEMP "cargo-target.vhd"
+          $diskpartScript = Join-Path $env:RUNNER_TEMP "diskpart.txt"
+          @"
+          create vdisk file="$vhd" maximum=16384 type=expandable
+          select vdisk file="$vhd"
+          attach vdisk
+          create partition primary
+          format fs=fat32 quick label=CARGO
+          assign letter=U
+          "@ | Set-Content -Path $diskpartScript -Encoding ascii
+          diskpart /s $diskpartScript
+          New-Item -ItemType Directory -Force -Path U:\target | Out-Null
       - name: Confirm bundled build fails before fix
         shell: pwsh
+        env:
+          CARGO_TARGET_DIR: U:\target
         run: |
           $output = & cargo check -p libduckdb-sys --no-default-features --features bundled 2>&1
           $status = $LASTEXITCODE
@@ -42,5 +60,23 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Create FAT32 target volume
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = "Stop"
+          $vhd = Join-Path $env:RUNNER_TEMP "cargo-target.vhd"
+          $diskpartScript = Join-Path $env:RUNNER_TEMP "diskpart.txt"
+          @"
+          create vdisk file="$vhd" maximum=16384 type=expandable
+          select vdisk file="$vhd"
+          attach vdisk
+          create partition primary
+          format fs=fat32 quick label=CARGO
+          assign letter=U
+          "@ | Set-Content -Path $diskpartScript -Encoding ascii
+          diskpart /s $diskpartScript
+          New-Item -ItemType Directory -Force -Path U:\target | Out-Null
       - name: Check bundled build
+        env:
+          CARGO_TARGET_DIR: U:\target
         run: cargo check -p libduckdb-sys --no-default-features --features bundled