feat(node): remove node 8

[srod]

No description provided.

[codecov]

Codecov Report

Merging #1011 into develop will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1011   +/-   ##
========================================
  Coverage    91.05%   91.05%           
========================================
  Files           23       23           
  Lines          425      425           
  Branches       105      105           
========================================
  Hits           387      387           
  Misses          16       16           
  Partials        22       22           

Flag	Coverage Δ
#unittests	91.05% <ø> (ø)

---

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 6dba927...fa59a42. Read the comment docs.