add dll to deps folder

Author: animafps

.github/workflows/ci.yml

@@ -101,7 +101,7 @@ jobs:
           cargo build
       - name: Test
         run: |
-          $env:PATH += ";${{ github.workspace }}\vapoursynth-portable"
+          Copy-Item "${{ github.workspace }}\vapoursynth-portable\*.dll" "target\debug\deps\" -Force
           cargo test --workspace --lib --bins --tests --benches
       - name: Lint
         run: |