[CI] Improve build and deploy time

Current Behavior Currently, it takes about 8 minutes for this site’s build and preview workflow to execute.

Desired Situation Ideally, this time is cut in half.

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[Nikhil-Ladha]

let’s also keep temporary caching as another option https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows

Interesting stuff. npm install on each build could save up to a minute or so. Do you want to give it a try?

[Nikhil-Ladha]

Let’s experiment with the usage of the following flags and see if that helps. PARALLEL_SOURCING LMDB_STORE PARALLEL_QUERY_RUNNING