Bump pipdeptree from 2.35.2 to 3.1.0

Bumps [pipdeptree](https://github.com/tox-dev/pipdeptree) from 2.35.2 to 3.1.0.
- [Release notes](https://github.com/tox-dev/pipdeptree/releases)
- [Commits](tox-dev/pipdeptree@2.35.2...3.1.0)

---
updated-dependencies:
- dependency-name: pipdeptree
  dependency-version: 3.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -58,7 +58,7 @@ dev = [
     "bornhack-website[bootstrap]",
     "bornhack-website[test]",
     "django-debug-toolbar==6.3.0",
-    "pipdeptree==2.35.2",
+    "pipdeptree==3.1.0",
     "pre-commit==4.6.0",
     "setuptools_scm==10.0.5",
 ]