Fix pack command

Author: matthew-brett

.github/workflows/windows-arm.yml

@@ -61,7 +61,7 @@ jobs:
       run: |
         cd local
         cp -r "scipy_openblas${env:BUILD_BITS}" $env:BUILD_BITS
-        7z a ../builds/openblas32.zip -tzip openblas32
+        7z a ../builds/openblas-${env:PLAT}-${env:INTERFACE64}.zip -tzip $env:BUILD_BITS
 
     - name: Test 32-bit interface wheel
       run: |