Improve oracle support in reconcile

[m-abulazm]

Changes

What does this PR do?

• Fix Oracle JDBC URL: move credentials out of URL into options, thin syntax corrected. Pass user and password through options
• Hashing/expr pipeline: replace bad RAWTOHEX(...), 2 with UTL_I18N.STRING_TO_RAW(...,'AL32UTF8'), 4 (SHA-256).
• Small fix for oracle and snowflake schema compare.
• default transformations: tweak datatype parsing so oracle works correctly.
• Log levels: demote noisy warnings to debug/info.
• Infra: add Oracle/Snowflake jars in setup script.
• Tests: extend integration scaffolding for Oracle/Snowflake, add e2e test.

Linked issues

Resolves #2057

Functionality

• added relevant user documentation

Tests

• manually tested
• added unit tests
• added integration tests

[github-actions]

✅ 46/46 passed, 6 flaky, 3m25s total

Flaky tests:

• 🤪 test_validate_non_empty_tables (37ms)
• 🤪 test_transpiles_informatica_to_sparksql (15.713s)
• 🤪 test_transpile_teradata_sql_non_interactive[True] (15.868s)
• 🤪 test_transpile_teradata_sql (20.091s)
• 🤪 test_transpiles_informatica_to_sparksql_non_interactive[True] (8.289s)
• 🤪 test_transpile_teradata_sql_non_interactive[False] (11.611s)

_{Running from acceptance #2800}

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[codecov]

Codecov Report

❌ Patch coverage is 62.96296% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.92%. Comparing base (7be6421) to head (eaa68ad).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...bricks/labs/lakebridge/reconcile/schema_compare.py	0.00%	5 Missing ⚠️
...labs/lakebridge/reconcile/trigger_recon_service.py	0.00%	3 Missing ⚠️
...rc/databricks/labs/lakebridge/reconcile/compare.py	0.00%	1 Missing ⚠️
...abricks/labs/lakebridge/reconcile/recon_capture.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2081      +/-   ##
==========================================
+ Coverage   64.87%   64.92%   +0.04%     
==========================================
  Files          96       96              
  Lines        7895     7908      +13     
  Branches      821      822       +1     
==========================================
+ Hits         5122     5134      +12     
- Misses       2593     2595       +2     
+ Partials      180      179       -1     

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[sundarshankar89]

LGTM Small nit around NVARCHAR handling.

[sundarshankar89]

LGTM