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)
Merge pull request #135 from gds-operations/78700334-fog-credential-ignored

[#78700334] Upgrade Fog dependency to version 1.24.0