* Update actions/setup-node to v2 and to use ,nvmrc file
* Fix order of actions for Bundle Size workflow
* Use actions/setup-node cache instead of actions/cache
+ ensure we always install with npm ci
* restore linting setup job to cache npm
* Don't install ndb in CI
Move ndb package to optionalDependencies and update
the CI workflows to not install optional dependencies
* Update actions/setup-node to v3
* Update actions/checkout to v3
* Update download and upload-artifact actions to v3
* Update actions/stale to v5
* Tweak message for stale activity and bump close boundary
Temporarily, bump the close boundary to 20 days to cover the holiday period.
* revert bump to 90 days