Updated version from v1 to v2

Author: Indujamohandas

.github/workflows/pkgdown.yaml

@@ -23,7 +23,7 @@ jobs:
         with:
           use-public-rspm: true
 
-      - uses: r-lib/actions/setup-r-dependencies@v1
+      - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           extra-packages: pkgdown
           needs: website