Undo unintended whitespace change

Author: ayylol

.github/workflows/sycl-containers.yaml

@@ -74,3 +74,4 @@ jobs:
             ghcr.io/${{ github.repository }}/${{ matrix.file }}:${{ matrix.tag }}-${{ github.sha }}
             ghcr.io/${{ github.repository }}/${{ matrix.file }}:${{ matrix.tag }}
           build-args: ${{ matrix.build_args }}
+