Move virtual environment test context into main context

Author: zanieb

.github/workflows/ci.yml

@@ -168,7 +168,7 @@ jobs:
     steps:
       - name: Create Dev Drive using ReFS
         run: |
-          $Volume = New-VHD -Path C:/uv_dev_drive.vhdx -SizeBytes 10GB |
+          $Volume = New-VHD -Path C:/uv_dev_drive.vhdx -SizeBytes 12GB |
                     Mount-VHD -Passthru |
                     Initialize-Disk -Passthru |
                     New-Partition -AssignDriveLetter -UseMaximumSize |
@@ -273,6 +273,7 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: ${{ env.DEV_DRIVE }}/uv/crates/uv-trampoline
+          prefix_key: "v1"
         env:
           CARGO_HOME: ${{ env.DEV_DRIVE }}/.cargo
           RUSTUP_HOME: ${{ env.DEV_DRIVE }}/.rustup