Update dependency auto-changelog to ^1.11.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
auto-changelog	devDependencies	minor	^1.10.3 -> ^1.11.0	source

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Release Notes

CookPete/auto-changelog

v1.11.0

Compare Source

14 January 2019

• Add --stdout option #83
• Fix sortReleases for non-semver tags #81
• Add backtick characters to test data ab73c8a

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[codecov]

Codecov Report

Merging #12 into develop will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           develop    #12   +/-   ##
======================================
  Coverage      100%   100%           
======================================
  Files            1      1           
  Lines           52     52           
  Branches         7      7           
======================================
  Hits            52     52

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