ci(deps): Update dependency gulp-sourcemaps to ^1.12.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gulp-sourcemaps	^1.5.2 -> ^1.12.1

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Release Notes

gulp-sourcemaps/gulp-sourcemaps

### [`v1.12.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.12.0...v1.12.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.12.0...v1.12.1) ### [`v1.12.0`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/1.11.1...v1.12.0) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/1.11.1...v1.12.0) ### [`v1.11.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.11.0...1.11.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.11.0...1.11.1) ### [`v1.11.0`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.10.1...v1.11.0) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.10.1...v1.11.0) ### [`v1.10.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.10.0...v1.10.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.10.0...v1.10.1) ### [`v1.10.0`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.3...v1.10.0) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.3...v1.10.0) ### [`v1.9.3`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.2...v1.9.3) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.2...v1.9.3) ### [`v1.9.2`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.1...v1.9.2) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.1...v1.9.2) ### [`v1.9.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.0...v1.9.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.9.0...v1.9.1) ### [`v1.9.0`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.8.1...v1.9.0) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.8.1...v1.9.0) ### [`v1.8.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.7.3...v1.8.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.7.3...v1.8.1) ### [`v1.7.3`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.7.1...v1.7.3) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.7.1...v1.7.3) ### [`v1.7.1`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/releases/v1.7.1) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.6.0...v1.7.1) The foobar is described here https://github.com/floridoo/gulp-sourcemaps/commit/2d8c319a5c8477a6e2f27ce42009b0109faa7421 ### [`v1.6.0`](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.5.2...v1.6.0) [Compare Source](https://togithub.com/gulp-sourcemaps/gulp-sourcemaps/compare/v1.5.2...v1.6.0)

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Configuration

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