Update cross-spawn requirement from 5.1.0 to 7.0.0

[dependabot-preview[bot]]

Updates the requirements on cross-spawn to permit the latest version.

Changelog

*Sourced from [cross-spawn's changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md).* > ## [7.0.0](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.5...v7.0.0) (2019-09-03) > > > ### ⚠ BREAKING CHANGES > > * drop support for Node.js < 8 > > * drop support for versions below Node.js 8 ([#125](https://github-redirect.dependabot.com/moxystudio/node-cross-spawn/issues/125)) ([16feb53](https://github.com/moxystudio/node-cross-spawn/commit/16feb53)) > > > ## [6.0.5](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.4...v6.0.5) (2018-03-02) > > > ### Bug Fixes > > * avoid using deprecated Buffer constructor ([#94](https://github-redirect.dependabot.com/moxystudio/node-cross-spawn/issues/94)) ([d5770df](https://github.com/moxystudio/node-cross-spawn/commit/d5770df)), closes [/nodejs.org/api/deprecations.html#deprecations_dep0005](https://github.com//nodejs.org/api/deprecations.html/issues/deprecations_dep0005) > > > > > ## [6.0.4](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.3...v6.0.4) (2018-01-31) > > > ### Bug Fixes > > * fix paths being incorrectly normalized on unix ([06ee3c6](https://github.com/moxystudio/node-cross-spawn/commit/06ee3c6)), closes [#90](https://github-redirect.dependabot.com/moxystudio/node-cross-spawn/issues/90) > > > > > ## [6.0.3](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.2...v6.0.3) (2018-01-23) > > > > > ## [6.0.2](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.1...v6.0.2) (2018-01-23) > > > > > ## [6.0.1](https://github.com/moxystudio/node-cross-spawn/compare/v6.0.0...v6.0.1) (2018-01-23) > > > > > # [6.0.0](https://github.com/moxystudio/node-cross-spawn/compare/5.1.0...6.0.0) (2018-01-23) > > > ### Bug Fixes > > ... (truncated)

Commits

- [`0e7cd3d`](https://github.com/moxystudio/node-cross-spawn/commit/0e7cd3d6c506251fdeb1513102adbd5e84c178a5) chore(release): 7.0.0 - [`6fdaf5a`](https://github.com/moxystudio/node-cross-spawn/commit/6fdaf5ab96983a12a2bedcaeaa2209d4d83e31cd) chore: update deps - [`16feb53`](https://github.com/moxystudio/node-cross-spawn/commit/16feb534e818668594fd530b113a028c0c06bddc) refactor: drop support for versions below Node.js 8 ([#125](https://github-redirect.dependabot.com/moxystudio/node-cross-spawn/issues/125)) - [`48bee1d`](https://github.com/moxystudio/node-cross-spawn/commit/48bee1dd5cf06f8162cbbce812b5c6e01b1c439d) chore: fix tests - [`9c9d627`](https://github.com/moxystudio/node-cross-spawn/commit/9c9d627a15ff2f25edb09a3892f860544e34b0bf) chore: remove extra space after badges (made with screpto) - [`47aff71`](https://github.com/moxystudio/node-cross-spawn/commit/47aff7196e6bc086ec4a3be060fb5b0bb10c0a36) chore: do not auto-publish on release due to 2FA (made with screpto) - [`85339d4`](https://github.com/moxystudio/node-cross-spawn/commit/85339d4372748a63405fb409e750c78a54829dc5) chore: remove greenkeeper badge (made with screpto) - [`6450fe7`](https://github.com/moxystudio/node-cross-spawn/commit/6450fe7c28e98b668bd4edc0f3084fdc70966f33) chore: update babel preset - [`18ebd93`](https://github.com/moxystudio/node-cross-spawn/commit/18ebd934e9d878e5ace7dd927707069f565e5ad0) chore: update dev deps - [`bbd342b`](https://github.com/moxystudio/node-cross-spawn/commit/bbd342bd7d94ffdf8a9418190c3fb947b72aca73) chore: add missing new line to readme - Additional commits viewable in [compare view](https://github.com/moxystudio/node-cross-spawn/compare/5.1.0...v7.0.0)

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[dependabot-preview[bot]]

Superseded by #229.