[Security] Bump bootstrap-sass from 3.3.7 to 3.4.1

[dependabot-preview]

Bumps bootstrap-sass from 3.3.7 to 3.4.1. This update includes security fixes.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Moderate severity vulnerability that affects bootstrap and bootstrap-sass
In Bootstrap 4 before 4.3.1 and Bootstrap 3 before 3.4.1, XSS is possible in the tooltip or popover data-template attribute. For more information, see: https://blog.getbootstrap.com/2019/02/13/bootstrap-4-3-1-and-3-4-1/

Affected versions: >= 3.0.0, < 3.4.1

Release notes

Sourced from bootstrap-sass's releases.

v3.4.1

• Security: Fixed an XSS vulnerability (CVE-2019-8331) in our tooltip and popover plugins by implementing a new HTML sanitizer
• Handle bad selectors (#) in data-target for Dropdowns
• Clarified tooltip selector documentation
• Added support for NuGet contentFiles

v3.4.0

• New: Added a .row-no-gutters class.
• New: Added docs searching via Algolia.
• Fixed: Resolved an XSS issue in Alert, Carousel, Collapse, Dropdown, Modal, and Tab components. See https://snyk.io/vuln/npm:bootstrap:20160627 for details.
• Fixed: Added padding to .navbar-fixed-* on modal open
• Fixed: Removed the double border on elements.
• Removed Gist creation in web-based Customizer since anonymous gists were disabled long ago by GitHub.
• Removed drag and drop support from Customizer since it didn’t work anymore.

Framework version: Bootstrap v3.4.0
See the upstream blog post for a detailed overview.

Changelog

Sourced from bootstrap-sass's changelog.

Changelog

3.4.0

• Bootstrap rubygem now depends on SassC instead of Sass.
• Compass no longer supported.

Commits

• b34765d Rakefile: require 'bundler/gem_tasks'
• 143aa6a Bump bootstrap-sass to 3.4.1
• 69157ce rake convert[v3.4.1]
• bb7dbf8 v3.4.0
• 3c126b3 Revert relative imports change
• dcdef9b Test Rails app: Depend on sassc-rails
• cd1542b rake convert[v3.4.0]
• 07b9b64 less_conversion.rb: Update stylelint comment removal
• 6634d0a Remove compass support
• 489b6f2 lotus -> hanami
• Additional commits viewable in compare view

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