Backport cassandra request timeout change from v4.0.x

[sylvlecl]

Signed-off-by: Sylvain Leclerc sylvain.leclerc@rte-france.com

Please check if the PR fulfills these requirements (please use '[x]' to check the checkboxes, or submit the PR and then click the checkboxes)

• [X] The commit message follows our guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Backport a config change which was missed in #108.

All that configuration should be made configurable.