Bump to Mongodb client lib

[jeveloper]

No description provided.

[codecov]

Codecov Report

Merging #3868 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3868      +/-   ##
==========================================
+ Coverage   90.14%   90.15%   +0.01%     
==========================================
  Files         114      114              
  Lines        7550     7550              
==========================================
+ Hits         6806     6807       +1     
+ Misses        744      743       -1

Impacted Files	Coverage Δ
...dapters/Storage/Postgres/PostgresStorageAdapter.js	95.32% <0%> (-0.14%)	⬇️
src/RestWrite.js	93.26% <0%> (+0.39%)	⬆️

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[flovilmart]

Not sure why greenkeeper keeps ignoring it