Bump mathjax from 3.1.2 to 3.1.4

[dependabot[bot]]

Bumps mathjax from 3.1.2 to 3.1.4.

Release notes

Sourced from mathjax's releases.

MathJax v3.1.4

This is a hot fix release to fix two problems with the recent 3.1.3 version. See the release notes for details.

MathJax 3.1.3

This is a bug fix release that resolves more than 70 issues, and updates a number of modules on which MathJax relies. See the release notes for details.

Commits

• be11806 Merge branch 'develop'
• e0575af Update to version 3.1.4
• af2bacd Merge branch 'develop'
• de316b9 Update package.json and files to v3.1.3
• ec5c854 Merge branch 'update-shields' into develop
• 1016061 Merge branch 'update-shields'
• 117409a Add shields for rank and downloads
• 1335230 Update issue templates
• See full diff in compare view

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[ggrossetie]

This update introduces a few visual differences, need to review.

[dependabot[bot]]

Superseded by #523.