Bump pip from 26.0.1 to 26.1 in /envs (#134)

Bumps [pip](https://github.com/pypa/pip) from 26.0.1 to 26.1.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@26.0.1...26.1)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: '26.1'
  dependency-type: direct:production
...

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Author: dependabot[bot]

envs/requirements.txt

@@ -81,7 +81,7 @@ pandas==3.0.1
 pathspec==1.0.4
 pexpect==4.9.0
 pillow==12.2.0
-pip==26.0.1
+pip==26.1
 platformdirs==4.9.4
 pluggy==1.6.0
 pre_commit==4.5.1