Update saved-queries.md

[dbeatty10]

What are you changing in this pull request and why?

This sentence seemed off:

Saved queries is a node and visible in the dbt DAG

So I'm proposing we update it to something like this:

Saved queries are nodes and visible in the dbt DAG

Checklist

• [x] Review the Content style guide so my content adheres to these guidelines.

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
docs-getdbt-com	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 7, 2024 10:13pm

[mirnawong1]

🎉