Bump google-cloud-storage in /{{cookiecutter.project_slug}} (#320)

Bumps [google-cloud-storage](https://github.com/googleapis/python-storage) from 1.44.0 to 2.1.0.
- [Release notes](https://github.com/googleapis/python-storage/releases)
- [Changelog](https://github.com/googleapis/python-storage/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-storage@v1.44.0...v2.1.0)

---
updated-dependencies:
- dependency-name: google-cloud-storage
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

{{cookiecutter.project_slug}}/Pipfile

@@ -30,5 +30,5 @@ pytest = "==6.2.5"
 factory-boy = "==3.2.1"
 google-cloud-secret-manager = "==2.8.0"
 google-auth = "==1.34.0"
-google-cloud-storage = "==1.44.0"
+google-cloud-storage = "==2.1.0"