Fixed labelling of unit odds ratio result label

[jmafoster1]

I found an issue with the labelling of the unit_odds_ratio causal test result in the LogisticRegressionEstimator class.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	33		0	0.84s
✅ PYTHON	pylint	33		0	5.18s

See detailed report in MegaLinter reports

MegaLinter is graciously provided by

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.29%. Comparing base (1dfe8d0) to head (2b0af95).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #364   +/-   ##
=======================================
  Coverage   96.29%   96.29%           
=======================================
  Files          28       28           
  Lines        1591     1591           
=======================================
  Hits         1532     1532           
  Misses         59       59           

Files with missing lines	Coverage Δ
...esting/estimation/logistic_regression_estimator.py	100.00% <ø> (ø)

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c9fd80b...2b0af95. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.