fix(deps): update dependency ipaddr.js to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ipaddr.js	^1.0.1 -> ^2.0.0

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Release Notes

whitequark/ipaddr.js

### [`v2.0.1`](https://togithub.com/whitequark/ipaddr.js/blob/master/Changes.md#​201---2020-01-DD) [Compare Source](https://togithub.com/whitequark/ipaddr.js/compare/v2.0.0...5237e6d21d44ca1675adf881651a746cb3699d20) - add support for deprecated IPv4 compatible IPv6 addresses [#​142](https://togithub.com/whitequark/ipaddr.js/issues/142) - drop node 8 testing, add v14 - fix parseInt for decimal, octal, hex - add support for classful (2,3 octet) IPv4 ### [`v2.0.0`](https://togithub.com/whitequark/ipaddr.js/blob/master/Changes.md#​200---2019-10-13) [Compare Source](https://togithub.com/whitequark/ipaddr.js/compare/v1.9.1...v2.0.0) - use es6 templates instead of concatenated strings - lint: update tests with no-var - lint: allow no-cond-assign with extra parens - es6: replace var with const/let - update README with es6 examples [#​125](https://togithub.com/whitequark/ipaddr.js/issues/125) - replace nodeunit with mocha - rewrite in JS, drop CoffeeScript

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