Bump dompurify from 2.0.12 to 2.2.6 in /docusaurus

[dependabot[bot]]

Bumps dompurify from 2.0.12 to 2.2.6.

Release notes

Sourced from dompurify's releases.

DOMPurify 2.2.6

• Added new mXSS prevention logic created by SecurityMB

DOMPurify 2.2.4

• Fixed a new MathML-based bypass submitted by PewGrand
• Fixed a new SVG-related bypass submitted by SecurityMB
• Updated NodeJS CI to Node 14.x and Node 15.x
• Cleaned up _forceRemove logic for better reliability

DOMPurify 2.2.3

• Fixed an mXSS issue reported by PewGrand
• Fixed a minor issue with the license header
• Fixed a problem with overly-eager CSS stripping
• Updated the README and removed an XSS warning

DOMPurify 2.2.2

• Fixed an mXSS bypass dropped on us publicly via #482
• Fixed an mXSS variation that was reported privately short after
• Added dialog to permitted elements list
• Fixed a small typo in the README

DOMPurify 2.2.0

• Fix a possible XSS in Chrome that is hidden behind #enable-experimental-web-platform-features, reported by @neilj and @mfreed7
• Changed RETURN_DOM_IMPORT default to true to address said possible XSS
• Updated README to reflect the new change and inform about the risks of manually setting RETURN_DOM_IMPORT back to false
• Fixed the tests to properly address the new default

DOMPurify 2.1.1

• Removed some code targeting old Safari versions
• Removed some code targeting older MS Edge versions
• Re-added some code targeting older Chrome versions, thanks @terjanq
• Added new tests and removed unused SAFE_FOR_JQUERY test cases
• Added Node 14.x to existing test coverage

DOMPurify 2.1.0

• Fixed several possible mXSS patterns, thanks @hackvertor
• Removed the SAFE_FOR_JQUERY flag (we are safe by default now for jQuery)
• Removed several now useless mXSS checks
• Updated the mXSS check for elements
• Updated test cases to cover new sanitization strategy
• Updated test website to use newer jQuery
• Updated array of tested browsers and removed legacy browsers
• Added "auto convert" checkbox to test website, thanks @hackvertor

DOMPurify 2.0.17

• Fixed another bypass causing mXSS by using MathML

DOMPurify 2.0.16

• Fixed an mXSS-based bypass caused by nested forms inside MathML
• Fixed a security error thrown on older Chrome on Android versions, see #470

... (truncated)

Commits

• b11cb72 chore: Preparing 2.2.6 release after failed 2.2.5 attempt /2
• 395cc83 chore: Preparing 2.2.6 release after failed 2.2.5 attempt
• 8a1c887 chore: Preparing 2.2.5 release
• 77e740e Merge pull request #496 from securityMB/main
• 9dd47cb Create a polyfill for lookupGetter to make IE10 happy
• 8e29990 fix: Made use of proper helper method to get parentNode
• 7e3a705 fix: Fixed an issue with parent node mapping in MSIE11
• d1cf8c6 test: Fixed additional Edge 17 and MSIE11 tests
• 1446372 test: Fixed a bunch of Edge 17 and MSIE11 tests
• 7d9bc6a fix: Removed usage of has()
• Additional commits viewable in compare view

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