Update dependency gulp-rename to v2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
gulp-rename	devDependencies	major	^1.2.3 -> ^2.0.0

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Release Notes

hparra/gulp-rename

### [`v2.0.0`](https://togithub.com/hparra/gulp-rename/blob/master/CHANGELOG.md#v200) [Compare Source](https://togithub.com/hparra/gulp-rename/compare/c9c2ba2c95b5a16bf710a002a733990da021f54e...4020fb2991d0000bf46067f3002bff92b31de8b3) ##### Breaking - Add the ability to use the function argument as an immutable map function (This may be breaking for users who were relying on the return value of the function being ignored) ##### Chores - Update deps - Switch from JSCS/JSHint to Prettier

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Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

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