get deployment working again

.github/workflows/pkgdown.yaml

@@ -44,6 +44,8 @@ jobs:
   
       - name: Deploy package
         run: |
+          git config --local user.name "$GITHUB_ACTOR"
+          git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com" |
           options(rmarkdown.html_vignette.check_title = FALSE)
           pkgdown::deploy_to_branch(new_process = FALSE)
         shell: Rscript {0}