Update apache-libcloud requirement from >=3.6.0,<3.7 to >=3.6.0,<3.8 (#36)

Updates the requirements on [apache-libcloud](https://github.com/apache/libcloud) to permit the latest version.
- [Release notes](https://github.com/apache/libcloud/releases)
- [Changelog](https://github.com/apache/libcloud/blob/trunk/CHANGES.rst)
- [Commits](apache/libcloud@v3.6.0...v3.7.0)

---
updated-dependencies:
- dependency-name: apache-libcloud
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

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

Author: dependabot[bot]

pyproject.toml

@@ -30,7 +30,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.7"
 SQLAlchemy = ">=1.4,<1.5"
-apache-libcloud = ">=3.6.0,<3.7"
+apache-libcloud = ">=3.6.0,<3.8"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.2.0"