chore(deps): update dependency http2spy to v2

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
http2spy	devDependencies	major	^1.1.0 -> ^2.0.0

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Release Notes

bcoe/http2spy

v2.0.0

Compare Source

⚠ BREAKING CHANGES

• drop support for node.js 8.x (#​11)

Features

• convert to typescript (#​15) (084ef65)

Build System

• drop support for node.js 8.x (#​11) (877691c)

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[codecov]

Codecov Report

Merging #544 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #544   +/-   ##
=======================================
  Coverage   98.60%   98.60%           
=======================================
  Files           6        6           
  Lines        4001     4001           
  Branches      176      169    -7     
=======================================
  Hits         3945     3945           
  Misses         53       53           
  Partials        3        3           

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