Update the R-CMD-check workflow: build the package with the gs+qpdf option

Author: aursiber

.github/workflows/R-CMD-check.yaml

@@ -57,6 +57,7 @@ jobs:
       - uses: r-lib/actions/check-r-package@v2
         with:
           args: 'c("--no-manual", "--as-cran")'
+          build_args: 'c("--compact-vignettes=gs+qpdf")'
           error-on: '"error"'
           check-dir: '"check"'