Bump google-cloud-storage in /{{cookiecutter.project_slug}} (#786)

Bumps [google-cloud-storage](https://github.com/googleapis/python-storage) from 2.17.0 to 2.18.0.
- [Release notes](https://github.com/googleapis/python-storage/releases)
- [Changelog](https://github.com/googleapis/python-storage/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-storage@v2.17.0...v2.18.0)

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

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Author: dependabot[bot]

{{cookiecutter.project_slug}}/Pipfile

@@ -28,7 +28,7 @@ pytest = "==8.3.1"
 factory-boy = "==3.3.0"
 google-cloud-secret-manager = "==2.20.1"
 google-auth = "==2.31.0"
-google-cloud-storage = "==2.17.0"
+google-cloud-storage = "==2.18.0"
 pipenv = "*"
 django-import-export = "*"
 drf-spectacular = "~=0.26.4"