fix(general): CRASH add exception handling for logging configuration

[scottschreckengaust]

Handle exceptions for invalid log levels defaulting to WARNING.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Description

If the environmental variable LOG_LEVEL was not a valid Python value, checkov would crash with:

ValueError: Unknown level

Fixes #7459

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes

[scottschreckengaust]

% pytest tests/logger_streams/test_logging_init.py
/home/scoschre/github.com/scottschreckengaust/checkov/.venv/lib/python3.10/site-packages/pytest_benchmark/logger.py:39: PytestBenchmarkWarning: Benchmarks are automatically disabled because xdist plugin is active.Benchmarks cannot be performed reliably in a parallelized environment.
  warner(PytestBenchmarkWarning(text))
=================================================== test session starts ====================================================
platform linux -- Python 3.10.17, pytest-7.4.4, pluggy-1.6.0
benchmark: 5.0.1 (defaults: timer=time.perf_counter disable_gc=False min_rounds=5 min_time=0.000005 max_time=1.0 calibration_precision=10 warmup=False warmup_iterations=100000)
rootdir: /home/scoschre/github.com/scottschreckengaust/checkov
configfile: pyproject.toml
plugins: mock-3.15.1, asyncio-0.23.8, time-machine-2.19.0, cov-6.3.0, benchmark-5.0.1, xdist-3.8.0
asyncio: mode=strict
2 workers [10 items]    
..........                                                                                                           [100%]
==================================================== 10 passed in 3.70s ====================================================

% pre-commit run -a
debug statements (python)................................................Passed
flake8...................................................................Passed
teyit....................................................................Passed
Lint GitHub Actions workflow files.......................................Passed
pipenv-setup.............................................................Passed
import-linter............................................................Passed

[mayblo]

Hi!

Can you check the failing jobs?