Update ipdb to 0.11

[pyup-bot]

There's a new version of ipdb available.
You are currently using 0.10.2. I have updated it to 0.11

These links might come in handy: PyPI | Changelog | Repo

Changelog

0.11

---

• Simplify loading IPython and getting information from it.
  Drop support for python 2.6
  Drop support for IPython < 5.0.0
  [takluyver]

0.10.3

---

• For users using python 2.6, do not install IPython >= 2.0.0.
  And for users using python 2.7, do not install IPython >= 6.0.0.
  [vphilippon]
• Drop support for python 3.2.
  [vphilippon]
• Command line usage consistent with pdb - Add argument commands
  [zvodd]

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖