Bump ipython from 7.31.1 to 8.10.0 (#305)

Bumps [ipython](https://github.com/ipython/ipython) from 7.31.1 to 8.10.0.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@7.31.1...8.10.0)

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

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pyproject.toml

@@ -33,7 +33,7 @@ requests = "^2.26.0"
 django-anymail = {extras = ["amazon_ses", "mailgun", "sendgrid", "console", "mailjet", "mandrill", "postal", "postmark", "sendinblue", "sparkpost"], version = "^8.5"}
 
 [tool.poetry.dev-dependencies]
-ipython = "^7.31.1"
+ipython = "^8.10.0"
 coverage = "^5.3.1"
 django-stubs = "^1.7.0"
 black = "^20.8b1"