* test: Added Node.js v14.x to the test suite.
* perf: Updated dependencies.
* docs: Drop blurb about migration from v2 as it will be covered in
release notes.
* chore: Bumped minor version since compatibility has increased.
Updated dependencies and resolved the recent security vulnerabilities.
Also added linting to the CI pipeline and split out testing into two
scripts to make it easier to run tests locally.
* chore: added the latest version of Node.js to the test plan
* docs: fixed a few code typos in the README
* chore: upgraded dependency versions
* chore: bumped version number
* chore: dropped testing for unmaintained Node.js version
* docs: added some notes about Node.js compatibility
