build(deps-dev): update ipdb requirement from ~=0.13.11 to ~=0.13.13 (#35)

Updates the requirements on [ipdb](https://github.com/gotcha/ipdb) to permit the latest version.
- [Release notes](https://github.com/gotcha/ipdb/releases)
- [Changelog](https://github.com/gotcha/ipdb/blob/master/HISTORY.txt)
- [Commits](https://github.com/gotcha/ipdb/compare/0.13.11...0.13.13)

---
updated-dependencies:
- dependency-name: ipdb
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements-dev.txt

@@ -1,2 +1,2 @@
 -r requirements.txt
-ipdb ~= 0.13.11
+ipdb ~= 0.13.13