Bump python-gitlab from 3.15.0 to 5.1.0

Bumps [python-gitlab](https://github.com/python-gitlab/python-gitlab) from 3.15.0 to 5.1.0.
- [Release notes](https://github.com/python-gitlab/python-gitlab/releases)
- [Changelog](https://github.com/python-gitlab/python-gitlab/blob/main/CHANGELOG.md)
- [Commits](python-gitlab/python-gitlab@v3.15.0...v5.1.0)

---
updated-dependencies:
- dependency-name: python-gitlab
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -19,7 +19,7 @@ pyyaml = "*"
 regex = "*"
 python-dateutil = "*"
 gitpython = "^3.1.43" # import git
-python-gitlab = "^3.0.0" # import gitlab
+python-gitlab = "^5.1.0" # import gitlab
 toml = "*"
 demisto-sdk = "1.32.4"
 wrapt = "^1.16.0"