quarto: Update to v1.6.42 (#251)

* quarto: Update to v1.6.42

* Update deploy-docs.yml

---------

Co-authored-by: Carson Sievert <[email protected]>

Author: gadenbuie

.github/workflows/deploy-docs.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches: [main]
   pull_request:
+  workflow_dispatch:
 
 jobs:
   build:
@@ -33,7 +34,7 @@ jobs:
 
       - uses: quarto-dev/quarto-actions/setup@v2
         with:
-          version: 1.4.557
+          version: 1.6.42
 
       - name: Install R
         uses: r-lib/actions/setup-r@v2