fix(sse/stream_access_logs): handle invalid log

[gagantrivedi]

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Changes

Because we log the URL path in Fastly logs, if someone is hitting an invalid URL, we receive logs that are invalid. This pull request addresses this by logging them as warnings and moving on to the next row.

How did you test this code?

Updates unit test case to include invalid log

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[github-actions]

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[codecov-commenter]

Codecov Report

Attention: 59 lines in your changes are missing coverage. Please review.

Comparison is base (f88f334) 95.94% compared to head (590d3e4) 50.99%.
Report is 10 commits behind head on main.

Files	Patch %	Lines
api/tests/unit/users/test_unit_users_models.py	0.00%	43 Missing ⚠️
api/features/import_export/views.py	45.45%	6 Missing ⚠️
api/features/import_export/permissions.py	28.57%	5 Missing ⚠️
api/features/import_export/tasks.py	33.33%	4 Missing ⚠️
api/integrations/rudderstack/rudderstack.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3307       +/-   ##
===========================================
- Coverage   95.94%   50.99%   -44.95%     
===========================================
  Files        1067     1001       -66     
  Lines       32613    29555     -3058     
===========================================
- Hits        31291    15073    -16218     
- Misses       1322    14482    +13160     

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