Update dependency auto-changelog to ^1.16.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
auto-changelog	devDependencies	minor	^1.15.0 -> ^1.16.0

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Release Notes

CookPete/auto-changelog

v1.16.0

Compare Source

31 August 2019

• Add --commit-url, --merge-url and --compare-url options #93
• Bump packages 84a1bda
• Update readme a04c0ff
• Lint fixes 7d3c25a

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[codecov]

Codecov Report

Merging #90 into develop will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           develop    #90   +/-   ##
======================================
  Coverage      100%   100%           
======================================
  Files            1      1           
  Lines           46     46           
  Branches         7      7           
======================================
  Hits            46     46

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