Bump ipython from 7.13.0 to 7.21.0#53

Bumps [ipython](https://github.com/ipython/ipython) from 7.13.0 to 7.21.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/ipython/ipython/releases">ipython's releases</a>.</em></p> <blockquote> <h2>See <a href="https://pypi.org/project/ipython/">https://pypi.org/project/ipython/</a></h2> <p>We do not use GitHub release anymore. Please see PyPI <a href="https://pypi.org/project/ipython/">https://pypi.org/project/ipython/</a></p> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/ipython/ipython/commit/0dcb1debc50b823e9cfa9d6b06e4fe3d4ed55074"><code>0dcb1de</code></a> release 7.21.0</li> <li><a href="https://github.com/ipython/ipython/commit/48f401965e52e5f1091ac1c005d6967f5e56becb"><code>48f4019</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12835">#12835</a> from meeseeksmachine/auto-backport-of-pr-12834-on-7.x</li> <li><a href="https://github.com/ipython/ipython/commit/fbb8fe816e8e760a93fa16f03f9fead2df6da331"><code>fbb8fe8</code></a> Backport PR <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12834">#12834</a>: Update whats new for dev and 7.21</li> <li><a href="https://github.com/ipython/ipython/commit/bd4d0a4ff2c24706af30d28e516215b7056a6791"><code>bd4d0a4</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12833">#12833</a> from meeseeksmachine/auto-backport-of-pr-12826-on-7.x</li> <li><a href="https://github.com/ipython/ipython/commit/97d6baa86028c5640e6a635a567c783c9ef76af5"><code>97d6baa</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12832">#12832</a> from meeseeksmachine/auto-backport-of-pr-12824-on-7.x</li> <li><a href="https://github.com/ipython/ipython/commit/59f371241148475b001ebaa79e715f48f9dfa47c"><code>59f3712</code></a> Backport PR <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12826">#12826</a>: IPDB: &quot;context&quot; command</li> <li><a href="https://github.com/ipython/ipython/commit/26c1b1e1a4f77f1399227ec41d60162ca5088772"><code>26c1b1e</code></a> Backport PR <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12824">#12824</a>: misc fix doc</li> <li><a href="https://github.com/ipython/ipython/commit/3c039d4c98c8c7ad16d6d16f29bbc09a895e83ca"><code>3c039d4</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12825">#12825</a> from meeseeksmachine/auto-backport-of-pr-12809-on-7.x</li> <li><a href="https://github.com/ipython/ipython/commit/3d73b3e52c8dc184dab3e10f5e71c297a8bd47de"><code>3d73b3e</code></a> Backport PR <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12809">#12809</a>: Allow passing a custom CachingCompiler to the interactive...</li> <li><a href="https://github.com/ipython/ipython/commit/9c40b719d8f014194e87ad6ea1646e8b3409011e"><code>9c40b71</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/ipython/ipython/issues/12810">#12810</a> from meeseeksmachine/auto-backport-of-pr-12807-on-7.x</li> <li>Additional commits viewable in <a href="https://github.com/ipython/ipython/compare/7.13.0...7.21.0">compare view</a></li> </ul> </details> <br /> [](https://dependabot.com/compatibility-score/?dependency-name=ipython&package-manager=pip&previous-version=7.13.0&new-version=7.21.0) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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