Bump cross-spawn and serverless in /{{cookiecutter.project_slug}}

Bumps [cross-spawn](https://github.com/moxystudio/node-cross-spawn) to 7.0.5 and updates ancestor dependency [serverless](https://github.com/serverless/serverless). These dependencies need to be updated together.


Updates `cross-spawn` from 7.0.3 to 7.0.5
- [Changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md)
- [Commits](moxystudio/node-cross-spawn@v7.0.3...v7.0.5)

Updates `serverless` from 3.39.0 to 4.4.10
- [Release notes](https://github.com/serverless/serverless/releases)
- [Changelog](https://github.com/serverless/serverless/blob/main/CHANGELOG.md)
- [Commits](serverless/serverless@v3.39.0...v4.4.10)

---
updated-dependencies:
- dependency-name: cross-spawn
  dependency-type: indirect
- dependency-name: serverless
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>