Merge pull request #9113 from borgbackup/dependabot/pip/requirements.d/pip-25.3

build(deps-dev): bump pip from 25.2 to 25.3 in /requirements.d

requirements.d/development.lock.txt

@@ -1,6 +1,6 @@
 setuptools==78.1.1
 setuptools-scm==8.3.1
-pip==25.2
+pip==25.3
 wheel==0.45.1
 virtualenv==20.31.2
 build==1.2.2.post1