Add support for Kerberos

[alopezz]

What does this PR do?

Enables Kerberos support for the Vertica integration via the options exposed by the official Vertica Python client.

Motivation

AI-2576

Additional Notes

The kerberos package requires compilation in all systems except for MacOS, which requires some kerberos-related packages to be available in the system for installation. That's why we're instructing the end-user that needs it to install it manually.

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] PR title must be written as a CHANGELOG entry (see why)
• [ ] Files changes must correspond to the primary purpose of the PR as described in the title (small unrelated changes should have their own PR)
• [ ] PR must have changelog/ and integration/ labels attached

[github-actions[bot]]

The validations job has failed; please review the Files changed tab for possible suggestions to resolve.

[codecov[bot]]

Codecov Report

Merging #12641 (749f5ec) into master (0b2db55) will increase coverage by 0.04%. The diff coverage is 100.00%.

:exclamation: Current head 749f5ec differs from pull request most recent head 0547563. Consider uploading reports for the commit 0547563 to get more accurate results

Flag	Coverage Δ
ddev	?
postgres	?
vertica	98.50% <100.00%> (+<0.01%)	:arrow_up:

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[FlorentClarret]

closing for now, feel free to re-open if needed