Merge pull request #1975 from opensafely/dependabot/pip/pip-26.1

Bump pip from 26.0.1 to 26.1

Author: nishtha-kalra

requirements.dev.txt

@@ -175,9 +175,9 @@ wheel==0.46.3 \
     # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
-pip==26.0.1 \
-    --hash=sha256:bdb1b08f4274833d62c1aa29e20907365a2ceb950410df15fc9521bad440122b \
-    --hash=sha256:c4037d8a277c89b320abe636d59f91e6d0922d08a05b60e85e53b296613346d8
+pip==26.1 \
+    --hash=sha256:4e8486d821d814b77319acb7b9e8bf5a4ee7590a643e7cb21029f209be8573c1 \
+    --hash=sha256:81e13ebcca3ffa8cc85e4deff5c27e1ee26dea0aa7fc2f294a073ac208806ff3
     # via pip-tools
 setuptools==82.0.1 \
     --hash=sha256:7d872682c5d01cfde07da7bccc7b65469d3dca203318515ada1de5eda35efbf9 \