Bump pip from 26.1 to 26.1.1

Bumps [pip](https://github.com/pypa/pip) from 26.1 to 26.1.1.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@26.1...26.1.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -11,7 +11,7 @@ dependencies = [
     "filelock==3.29.0",
     "jupyterlab>=4.5.7",
     "nbconvert>=7.17.0",
-    "pip>=26.1",
+    "pip>=26.1.1",
     "pygments>=2.20.0",
     "requests>=2.33.0",
     "urllib3>=2.6.0",