Detect dependencies of libraries installed via pip

[ericvergnaud]

Changes

Builds child dependency graph of libraries resolved via PipResolver, using DistInfo data Changed some tests that would consequently take minutes

Linked issues

#1202 Resolves #1642

Functionality

• [ ] added relevant user documentation
• [ ] added new CLI command
• [ ] modified existing command: databricks labs ucx ...
• [ ] added a new workflow
• [ ] modified existing workflow: ...
• [ ] added a new table
• [ ] modified existing table: ...

Tests

• [ ] manually tested
• [x] added unit tests
• [ ] added integration tests
• [ ] verified on staging environment (screenshot attached)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 90.30303% with 16 lines in your changes are missing coverage. Please review.

Project coverage is 89.23%. Comparing base (a42a83b) to head (7fda611).

Files	Patch %	Lines
...atabricks/labs/ucx/source_code/python_libraries.py	90.64%	7 Missing and 6 partials :warning:
src/databricks/labs/ucx/source_code/graph.py	82.35%	2 Missing and 1 partial :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1703      +/-   ##
==========================================
+ Coverage   89.22%   89.23%   +0.01%     
==========================================
  Files          88       88              
  Lines       11127    11208      +81     
  Branches     1959     1981      +22     
==========================================
+ Hits         9928    10002      +74     
- Misses        821      823       +2     
- Partials      378      383       +5     

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[github-actions[bot]]

✅ 167/167 passed, 1 flaky, 25 skipped, 2h14m33s total

Flaky tests:

• 🤪 test_fix_dashboard (1m35.148s)

_{Running from acceptance #3256}