Fix (#27660): Re-enable Exasol cli-e2e-tests after fixing issues

[ArBridgeman]

Describe your changes:

Fixes #27660

To re-enable the Exasol cli-e2e-tests, I:

• set up my local environment per OpenMetadata's documentation, including the pre-commit hooks
• updated the installed ITDE in the setup.py
• modified the test setup in ingestion/tests/cli_e2e/test_cli_exasol.py
• ran all tests locally in my VM
• added additional information for contacting us if issues arise again
• added "exasol" again in the .github/workflows/py-cli-e2e-tests.yml

I worked on the tests because we would like to ensure that the Exasol connector continues to work.
Most of our tests are centralized in the ingestion/tests/cli_e2e/test_cli_exasol.py, so it is critical that these are regular run, and if there are issues, it would be helpful if we were contacted.

Type of change:

• Bug fix
• Improvement
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation

Checklist:

• I have read the CONTRIBUTING document.
• My PR title is Fixes <issue-number>: <short explanation>
• I have commented on my code, particularly in hard-to-understand areas.
• For JSON Schema changes: I updated the migration scripts or explained why it is not needed.

Bug Fix

• I have added a test that covers the exact scenario we are fixing. For complex issues, comment the issue number in the test for future reference.

---

Summary by Gitar

• Test infrastructure:
  • Added explicit docker pull for exasol/docker-db and set check=True for ITDE commands.
  • Adjusted view_column_lineage_count and test data to align with current schema.
• Workflow improvements:
  • Added -a flag to coverage combine commands in .github/workflows/py-cli-e2e-tests.yml to prevent overwriting results.
  • Updated coverage environment variable path for consistency in workflow execution.

_{This will update automatically on new commits.}

[github-actions]

Hi there 👋 Thanks for your contribution!

The OpenMetadata team will review the PR shortly! Once it has been labeled as safe to test, the CI workflows
will start executing and we'll be able to make sure everything is working as expected.

Let us know if you need any help!

[github-actions]

Hi there 👋 Thanks for your contribution!

The OpenMetadata team will review the PR shortly! Once it has been labeled as safe to test, the CI workflows
will start executing and we'll be able to make sure everything is working as expected.

Let us know if you need any help!

[github-actions]

Hi there 👋 Thanks for your contribution!

The OpenMetadata team will review the PR shortly! Once it has been labeled as safe to test, the CI workflows
will start executing and we'll be able to make sure everything is working as expected.

Let us know if you need any help!

[gitar-bot]

Code Review ✅ Approved

Re-enables the Exasol cli-e2e-tests by resolving the underlying issues blocking execution. No issues found.

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