Add support for BaseException instances as arguments to notice_error

[TimPansino]

Overview

• Add ability to supply an instance of BaseException as an argument to notice_error and have it be unpacked into an exception tuple before processing.
• Add tests to ensure the behavior reports the correct exception even when sys.exc_info() would return a different one.

Related Issues

Rework of #1564

[github-actions]

✅MegaLinter analysis: Success

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ ACTION	actionlint	7		0	0	0.91s
✅ MARKDOWN	markdownlint	7	0	0	0	1.37s
✅ PYTHON	ruff	949	0	0	0	1.02s
✅ PYTHON	ruff-format	949	0	0	0	0.37s
✅ YAML	prettier	15	0	0	0	1.52s
✅ YAML	v8r	15		0	0	6.18s
✅ YAML	yamllint	15		0	0	0.71s

See detailed reports in MegaLinter artifacts

[codecov-commenter]

Codecov Report

❌ Patch coverage is 60.00000% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.82%. Comparing base (fa7f3ca) to head (b8d36a4).

Files with missing lines	Patch %	Lines
newrelic/core/stats_engine.py	20.00%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1571      +/-   ##
==========================================
- Coverage   81.85%   81.82%   -0.03%     
==========================================
  Files         207      207              
  Lines       24008    24012       +4     
  Branches     3812     3814       +2     
==========================================
- Hits        19651    19648       -3     
- Misses       3088     3092       +4     
- Partials     1269     1272       +3     

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