[Scaling] Add logs in share_compute_fleet_dna.py

[himani2411]

Description of changes

• Add logs share_compute_fleet_dna.py which will be visible in chef-client.log

Tests

• Snippet of Logs

      [execute] INFO:__main__:Cleaning up /opt/parallelcluster/shared/dna/LaunchTemplate12345678901234567-dna.json
                INFO:__main__:Cleaning up /opt/parallelcluster/shared/dna/extra.json
                INFO:__main__:Cleaning up /opt/parallelcluster/shared/dna/LaunchTemplate01234567890123456-dna.json
                INFO:__main__:All dna.json files have been shared!
[2025-02-20T20:54:15+00:00] INFO: execute[Cleanup dna.json and extra.json from /opt/parallelcluster/shared/dna] ran successfully
      - execute /opt/parallelcluster/pyenv/versions/3.9.20/envs/cookbook_virtualenv/bin/python /opt/parallelcluster/scripts/share_compute_fleet_dna.py --region us-east-2 --cleanup

References

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