build(deps): bump pip from 25.2 to 25.3

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
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -99,7 +99,7 @@ pypi_dist = [
 
 win_dist = [
     "wheel==0.45.1",
-    "pip==25.2",
+    "pip==25.3",
     "pywin32==311",
     "pyinstaller==6.16.0",
     "packaging==25.0",