Bump pip from 25.2 to 25.3 (#591)

Bumps [pip](https://github.com/pypa/pip) from 25.2 to 25.3.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@25.2...25.3)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: '25.3'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ dependencies = [
     "optuna==4.5.0",
     "pandas==2.3.3",
     "patsy==1.0.2",
-    "pip==25.2",
+    "pip==25.3",
     "py_vollib==1.0.1",
     "py_vollib_vectorized==0.1.1",
     "pyarrow==21.0.0",