GHA: Does the new xfun 0.37 require R (>= 3.5.0) - take 2

Author: HenrikBengtsson

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

@@ -64,8 +64,8 @@ jobs:
 
       - name: Install package itself (special case)
         run: |
-          install.packages(".", repos = NULL, type = "source")  ## self vignette engine
 	  if (getRversion() < "3.5.0") install.packages("https://cran.r-project.org/src/contrib/Archive/xfun/xfun_0.36.tar.gz")
+          install.packages(".", repos = NULL, type = "source")  ## self vignette engine
         shell: Rscript {0}
 
       - name: Session info