Update pip_requirements to v0.15.15 (#200)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements-test.txt

@@ -2,5 +2,5 @@ pynose==1.5.5
 coverage==7.14.1
 coveralls==4.1.0
 responses==0.26.1
-ruff==0.15.14
+ruff==0.15.15
 pytest==9.0.3