Anton Gilgur 327574e843
optim(ci): use npm ci for install and cache npm (#323)
- `npm ci` is installation for, well, CI, and is a good bit faster
  - c.f. https://docs.npmjs.com/cli/v8/commands/npm-ci

- cache `npm` installation with `setup-node` for speedier installs
  - upgrade `setup-node` as this was released in v2.2.0:
    https://github.com/actions/setup-node/releases/tag/v2.2.0
2022-05-10 17:20:34 -06:00
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