Update dependency grunt-contrib-coffee to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grunt-contrib-coffee	~0.7.0 -> ~2.1.0

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Release Notes

gruntjs/grunt-contrib-coffee (grunt-contrib-coffee)

### [`v2.1.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/40bfa6b511623a309389d715a9982800ca022e0d...v2.1.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/40bfa6b511623a309389d715a9982800ca022e0d...v2.1.0) ### [`v2.0.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v1.0.0...40bfa6b511623a309389d715a9982800ca022e0d) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v1.0.0...40bfa6b511623a309389d715a9982800ca022e0d) ### [`v1.0.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.13.0...v1.0.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.13.0...v1.0.0) ### [`v0.13.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.12.0...v0.13.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.12.0...v0.13.0) ### [`v0.12.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.11.1...v0.12.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.11.1...v0.12.0) ### [`v0.11.1`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.11.0...v0.11.1) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.11.0...v0.11.1) ### [`v0.11.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.10.1...v0.11.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.10.1...v0.11.0) ### [`v0.10.1`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.10.0...v0.10.1) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.10.0...v0.10.1) ### [`v0.10.0`](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.9.0...v0.10.0) [Compare Source](https://redirect.github.com/gruntjs/grunt-contrib-coffee/compare/v0.9.0...v0.10.0)

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