devel/rubygem-google-apis-storage_v1-gitlab: update to 0.56.0

Required for gitlab 18.4.3

Changes: https://github.com/googleapis/google-api-ruby-client/blob/main/generated/google-apis-storage_v1/CHANGELOG.md
(cherry picked from commit 355a1a4b20d9ac6c01e2bbda0a7750fa54802d18)