fix(logs): Update sentry.origin

[sentrivana]

Description

See #4907

Issues

Closes #4907
Closes https://linear.app/getsentry/issue/PY-1878/ensure-the-python-sdk-sets-sentryorigin-for-structured-logs-according

Reminders

• Please add tests to validate your changes, and lint your code using tox -e linters.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[linear]

PY-1878 Ensure the Python SDK sets `sentry.origin` for Structured Logs according to the documentation (converted to project)

[alexander-alderman-webb]

Looks good, but we should check if anyone queries for the attribute.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.00%. Comparing base (c6ad9ac) to head (a3faa6c).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5112   +/-   ##
=======================================
  Coverage   84.00%   84.00%           
=======================================
  Files         180      180           
  Lines       18023    18023           
  Branches     3205     3205           
=======================================
  Hits        15141    15141           
  Misses       1905     1905           
  Partials      977      977           

Files with missing lines	Coverage Δ
sentry_sdk/integrations/logging.py	87.58% <100.00%> (ø)
sentry_sdk/integrations/loguru.py	84.21% <100.00%> (ø)

... and 2 files with indirect coverage changes