fix(vsc): missing package script

[tecton]

Npm script used by vscode:prepublish.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.33%. Comparing base (b918032) to head (6074f73).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #12031   +/-   ##
=======================================
  Coverage   89.33%   89.33%           
=======================================
  Files         569      569           
  Lines       33506    33506           
  Branches     6585     6559   -26     
=======================================
  Hits        29932    29932           
  Misses       1621     1621           
  Partials     1953     1953