ci: use fairify::build_site for generating pkgdown website!

.gitlab-ci.yml

@@ -39,8 +39,7 @@ pages:
   rules:
     - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH
   script:
-    - R -q -e 'remotes::update_packages("pkgdown")'
-    - R -q -e 'pkgdown::build_site(override = list(destination = "public"))'
+    - R -q -e 'fairify::build_site()'
   artifacts:
     paths:
       - public

_pkgdown.yml

 url: ~
 template:
   bootstrap: 5
-
+destination: public