unnattended ci

Author: animafps

.github/workflows/ci.yml

@@ -85,7 +85,7 @@ jobs:
       - name: Install VapourSynth
         run: |
           curl -L -o vsinstall.ps1 https://github.com/vapoursynth/vapoursynth/releases/download/R72/Install-Portable-VapourSynth-R72.ps1
-          powershell -ExecutionPolicy Bypass -File .\vsinstall.ps1
+          powershell -ExecutionPolicy Bypass -File .\vsinstall.ps1 -Unattended
           echo "VAPOURSYNTH_LIB_DIR=${{ github.workspace }}\vapoursynth-portable" >> $GITHUB_ENV
           echo "${{ github.workspace }}\vapoursynth-portable" >> $GITHUB_PATH
       - name: Set up Rust