Upgrade Fog dependency to version 1.24.0
Upgrade Fog dependency to version 1.24.0

Upgrade our dependency on Fog to versions 1.24.0 or above so as to
include the changes in this PR, which were released in 1.24.0:

  - [Error if FOG_CREDENTIAL doesn't match
    session](https://github.com/fog/fog/pull/3169)

gds-operations/vcloud-core,UKHomeOffice/vcloud-core,UKHomeOffice/vcloud-core,gds-operations/vcloud-core