chore: add e2e tests to github workflows

[tmigone]

Changes

• Update test workflow to use node 16 and latest github actions
• Add e2e workflow
• Fix npm publish workflow (hopefully)

Closes: #656, #628
Signed-off-by: Tomás Migone [email protected]

[codecov]

Codecov Report

Merging #663 (506fb0e) into dev (358a8ec) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #663   +/-   ##
=======================================
  Coverage   90.35%   90.35%           
=======================================
  Files          35       35           
  Lines        1762     1762           
  Branches      296      296           
=======================================
  Hits         1592     1592           
  Misses        170      170           

Flag	Coverage Δ
unittests	90.35% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 358a8ec...506fb0e. Read the comment docs.