Update Poetry version to 1.8.2 to align with that of Dependabot
Align Poetry version with the one used by Dependabot (currently 1.8.2).

See: https://github.com/huggingface/dataset-viewer/pull/2656/files#diff-e1fba75efbd9dba3b04b3702aa5368982ed4dbe34ed822135ea5b6949692de3dL1-R1

Follow-up of:
- #2411
Update Poetry version to 1.8.2 to align with that of Dependabot: Align Poetry version with the one used by Dependabot (currently 1.8.2).

See: https://github.com/huggingface/dataset-viewer/pull/2656/files#diff-e1fba75efbd9dba3b04b3702aa5368982ed4dbe34ed822135ea5b6949692de3dL1-R1

Follow-up of:
- #2411