Bump pip from 26.0.1 to 26.1.1

Bumps [pip](https://github.com/pypa/pip) from 26.0.1 to 26.1.1.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@26.0.1...26.1.1)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: 26.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Pipfile

@@ -25,7 +25,7 @@ irc = "==20.5.0"
 isort = "==7.0.0"
 munch = "==4.0.0"
 typing_extensions = "==4.15.0"
-pip = "==26.0.1"
+pip = "==26.1.1"
 pipenv = "==2026.0.3"
 pydantic = "==2.12.5"
 pydoclint = "==0.8.3"