Update dependency bootstrap to v3.4.1

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
bootstrap (source)	dependencies	minor	3.3.6 -> 3.4.1

By merging this PR, the issue #3 will be automatically resolved and closed:

Severity	CVSS Score	CVE	Reachability
Medium	6.1	CVE-2016-10735
Medium	6.1	CVE-2018-14042
Medium	6.1	CVE-2018-20676
Medium	6.1	CVE-2018-20677
Medium	6.1	CVE-2019-8331

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Release Notes

twbs/bootstrap (bootstrap)

v3.4.1

Compare Source

• 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

Compare Source

• 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 <abbr> 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.
• Added a dropdown to the docs nav for newer and previous versions.
• Update the docs to use a new baseurl, /docs/3.4/, to version the v3.x documentation like we do with v4.
• Reorganized the v3 docs CSS to use Less.
• Switched to BrowserStack for tests.
• Updated links to always use https and fix broken URLs.
• Replaced ZeroClipboard with clipboard.js

v3.3.7

Compare Source

Release announcement blog post: https://blog.getbootstrap.com/2016/07/25/bootstrap-3-3-7-released/

JavaScript

• #​19192 Fix keyboard navigation for toggle buttons (checkbox, radio, single toggle) following a mouse click
• #​19659: Clear tooltip's $element to prevent leaking memory
• #​20019: Avoid calling jQuery('#') since it's a syntax error in jQuery 3
• #​20259: Backport jQuery-related JS unit test fixes from v4
• #​20278: button.js: Set disabled property in addition to disabled attribute, for jQuery 3 compatibility
• #​20313: Avoid using $.offset() on SVGs since it gives incorrect results in jQuery 3
• #​20338: Update jQuery version check and jQuery dependency version range to allow jQuery 3

CSS

No significant changes.

Accessibility

• #​19704: Add aria-label and callout about labeling pagination components

Docs

• #​19263 Bump html5shiv to v3.7.3
• #​19273 Port v4 browser support table format to v3
• #​19893: Update jQuery to v1.12.4
• Numerous Wall of Browser Bugs updates

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