deps: bump pip from 25.3 to 26.0

Bumps [pip](https://github.com/pypa/pip) from 25.3 to 26.0.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@25.3...26.0)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: '26.0'
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -544,9 +544,9 @@ wheel==0.46.2 \
     # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
-pip==25.3 \
-    --hash=sha256:8d0538dbbd7babbd207f261ed969c65de439f6bc9e5dbd3b3b9a77f25d95f343 \
-    --hash=sha256:9655943313a94722b7774661c21049070f6bbb0a1516bf02f7c8d5d9201514cd
+pip==26.0 \
+    --hash=sha256:3ce220a0a17915972fbf1ab451baae1521c4539e778b28127efa79b974aff0fa \
+    --hash=sha256:98436feffb9e31bc9339cf369fd55d3331b1580b6a6f1173bacacddcf9c34754
     # via pip-tools
 setuptools==80.9.0 \
     --hash=sha256:062d34222ad13e0cc312a4c02d73f059e86a4acbfbdea8f8f76b28c99f306922 \