build(deps): bump pip from 25.3 to 26.0 in /requirements

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/pip_tools.txt

@@ -4,13 +4,25 @@
 #
 #    make upgrade
 #
-build==1.4.0              # via pip-tools
-click==8.3.1              # via pip-tools
-packaging==26.0           # via build, wheel
-pip-tools==7.5.2          # via -r requirements/pip_tools.in
-pyproject-hooks==1.2.0    # via build, pip-tools
-wheel==0.46.3             # via pip-tools
+build==1.4.0
+    # via pip-tools
+click==8.3.1
+    # via pip-tools
+packaging==26.0
+    # via
+    #   build
+    #   wheel
+pip-tools==7.5.2
+    # via -r pip_tools.in
+pyproject-hooks==1.2.0
+    # via
+    #   build
+    #   pip-tools
+wheel==0.46.3
+    # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
-pip==25.3                 # via pip-tools
-setuptools==80.10.2       # via pip-tools
+pip==26.0
+    # via pip-tools
+setuptools==80.10.2
+    # via pip-tools