Update @fortawesome/free-brands-svg-icons requirement from 5.7.1 to 5.7.2

[dependabot-preview]

Updates the requirements on @fortawesome/free-brands-svg-icons to permit the latest version.

Release notes

Sourced from @fortawesome/free-brands-svg-icons's releases.

Release 5.7.2

Fixed

• Vertical alignment issues using OTF and TTF files in desktop applications that differ from previous
  Font Awesome versions (< 5.7.0)

Changelog

Sourced from @fortawesome/free-brands-svg-icons's changelog.

5.7.2 - 2019-02-12

Fixed

• Vertical alignment issues using OTF and TTF files in desktop applications that differ from previous
  Font Awesome versions (< 5.7.0)

---

5.7.1 - 2019-02-01

Fixed

• The @fortawesome/fontawesome-pro package had a corrupted SVG webfont file for the solid style
• IE11 error reporting Promise as undefined or finally() not a function
• The cheese has been moved on top of the patty for cheeseburger

---

5.7.0 - 2019-01-28

Minor version upgrade notice: there are some backward-incompatible changes to this release. See the
UPGRADING.md guide for more
information.

Added

• New Food category
• More Medical icons
• More icons from the leaderboard
• Added tasks-alt
• New CSS class fa-flip-both that applies fa-flip-horizontal and fa-flip-vertical together
• CSS now defaults to font-display: auto
• Sass and Less files contain a variable that can be changed to alter the font-display value

Changed

• Updated slack brand icon
• Reverted calendar-alt to previous design before 5.6.0

Fixed

• Safari fails to process pseudo elements if the font-weight is "normal"
• Renamed internal method to keep from confusing rJS svg_core local define func confused rjs parser FortAwesome/Font-Awesome#14461
• Corrected font weights in TTF files fa-solid-900.ttf misreports font-weight as 400, not 900 FortAwesome/Font-Awesome#13320
• XCode now correctly displays different styles when using TTF files
• Support for Turbolinks without modifying the dom.watch() call Turbolinks and observeMutations problem FortAwesome/Font-Awesome#12709
• Add focusable=false for SVG elements to prevent IE11 double-focus bug In IE11 double focus bug (accessibility related) FortAwesome/Font-Awesome#13155

---

5.6.3 - 2018-12-20

Changed

• Revising fire icon and adding alternative fire icon

... (truncated)

Commits

• 1cf1062 Release 5.7.2 (#14632)
• 2a7e86d Under the patty
• 8e18ae9 Top of the patty
• See full diff in compare view

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Dependabot will merge this PR once CI passes on it, as requested by @acid-chicken.

---

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[acid-chicken]

@dependabot merge

[dependabot-preview]

Looks like @fortawesome/free-brands-svg-icons is up-to-date now, so this is no longer needed.