Bump ipython from 9.11.0 to 9.12.0 in /dependabot in the all group

Bumps the all group in /dependabot with 1 update: [ipython](https://github.com/ipython/ipython).


Updates `ipython` from 9.11.0 to 9.12.0
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@9.11.0...9.12.0)

---
updated-dependencies:
- dependency-name: ipython
  dependency-version: 9.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

Author: dependabot[bot]

dependabot/requirements.txt

@@ -102,7 +102,7 @@ grokcore.startup==5.0
 grokcore.traverser==5.1
 grokcore.view==5.1
 grokcore.viewlet==5.1
-ipython==9.11.0
+ipython==9.12.0
 martian==2.1
 z3c.evalexception==4.0
 z3c.flashmessage==4.0