[dist] Update dependency concat-stream to v2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
concat-stream	devDependencies	major	^1.6.2 -> ^2.0.0

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Release Notes

maxogden/concat-stream

v2.0.0

Compare Source

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[codecov-io]

Codecov Report

Merging #1363 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1363   +/-   ##
=======================================
  Coverage   92.35%   92.35%           
=======================================
  Files           6        6           
  Lines         314      314           
=======================================
  Hits          290      290           
  Misses         24       24

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