Update stylus to version 0.54.3 🚀

[greenkeeperio-bot]

Hello :wave:

:rocket::rocket::rocket:

stylus just published its new version 0.54.3, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of stylus – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging :palm_tree:

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The new version differs by 7 commits (ahead by 7, behind by 2).

• 91f280a 0.54.3
• faad26b Fix embedurl encoding for svg files with a hash
• 3669248 Merge pull request #2151 from TheAlphaNerd/fix-path-for-node-v6
• c26e6d8 Validate this.dest before using path.extname
• a851663 Update node-glob version. Fixes #2148
• 71c588a 0.54.2
• 52f13c3 History up + version bump

See the full diff.

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[coveralls]

Coverage remained the same at 93.103% when pulling bfce0d0a1116b924630668cf488b1a1ba5f511ca on greenkeeper-stylus-0.54.3 into 3d752e1c5d77413c9322eb5880efd76d59d89c14 on master.