Update markupsafe to 2.1.5

[pyup-bot]

This PR updates markupsafe from 2.1.3 to 2.1.5.

Changelog

2.1.5

This is a fix release for the 2.1.x feature release branch. It fixes bugs but does not otherwise change behavior and should not result in breaking changes.

Fixes a regression in `striptags` behavior from 2.14. Spaces are now collapsed correctly.

* Changes: https://markupsafe.palletsprojects.com/en/2.1.x/changes/#version-2-1-5
* Milestone: https://github.com/pallets/markupsafe/milestone/12?closed=1
* PyPI: https://pypi.org/project/MarkupSafe/2.1.5/

2.1.4

This is a fix release for the 2.1.x feature release branch. It fixes bugs but does not otherwise change behavior and should not result in breaking changes.

* Improves performance of the `Markup.striptags` method for large input.

* Changes: https://markupsafe.palletsprojects.com/en/2.1.x/changes/#version-2-1-4
* Milestone: https://github.com/pallets/markupsafe/milestone/11?closed=1
* PyPI: https://pypi.org/project/MarkupSafe/2.1.4/

Links

• PyPI: https://pypi.org/project/markupsafe
• Changelog: https://data.safetycli.com/changelogs/markupsafe/
• Homepage: https://palletsprojects.com/p/markupsafe/