Next try

Author: hsonne

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

@@ -63,6 +63,7 @@ jobs:
           sudo add-apt-repository ppa:ubuntugis/ubuntugis-unstable
           sudo apt update
           sudo apt install libudunits2-dev libgdal-dev libgeos-dev libproj-dev libsqlite3-dev        
+          R -e install.packages("sf")
 
       - name: Install system dependencies
         if: runner.os == 'Linux (no, skip!)'