Require latest dev sass for building test results (#261)

* Require latest dev sass for building test results

* Require dev bslib instead

Author: cpsievert

.github/workflows/build-results.yml

@@ -54,7 +54,7 @@ jobs:
           cache-version: results-1
           extra-packages: |
             rstudio/shiny
-            any::bslib
+            rstudio/bslib
             any::dplyr
             any::DT
             any::fontawesome