chore: bump actions/upload-artifact to 7.0.0

Author: InessaPawson

.github/workflows/build-book.yml

@@ -53,7 +53,7 @@ jobs:
 
       # Save html as artifact
       - name: Save book html as artifact for viewing
-        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: book-html
           path: |