Upgrade dwn-sdk-js

[LiranCohen]

• upgrades dwn-sdk-js to v0.4.7
• updates sinon to latest version to avoid vuln
• removes unused sinon-ts package that has a vuln
• release version 0.6.7 of this package.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.18%. Comparing base (c5654d9) to head (6fb82f0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #51   +/-   ##
=======================================
  Coverage   88.18%   88.18%           
=======================================
  Files          12       12           
  Lines        1617     1617           
  Branches      233      233           
=======================================
  Hits         1426     1426           
  Misses        191      191