Merge pull request #1738 from getsentry/dependabot/pip/docker/pip-25.3

Bump pip from 23.3 to 25.3 in /docker

Author: oioki

docker/requirements.txt

@@ -21,5 +21,5 @@ virtualenv==20.26.6
 wheel==0.38.4
 
 # The following packages are considered to be unsafe in a requirements file:
-pip==23.3
+pip==25.3
 setuptools==78.1.1