Update build.yml

Author: pyushkevich

.github/workflows/build.yml

@@ -268,7 +268,7 @@ jobs:
         env:
           CERT_CMD: ${{ runner.os == 'MacOS' && format('-DSNAP_MACOSX_CODESIGN_CERT="{0}"', secrets.SNAP_MACOS_DEV_CERTIFICATE_NAME) || '' }}
         run: |
-          cmake $CERT_CMD --build . --target package
+          VERBOSE=1 cmake $CERT_CMD --build . --target package
 
       # Extract the filename of ITK-SNAP package
       - name: Read package name