Update several frontend dependencies

What does this MR do?

Updates several frontend dependencies (mostly minor version bumps)

dependency	notable changes
timeago.js (changes)	minor locale updates and documentation fixes
sortablejs (changes)	bug fixes
sanitize-html (changes)	new escape mode, sub-dependency updates
glob (changes)	no notable changes
autosize (changes)	minor bug fix
document-register-element (changes)	minor bug fix for edge case
formdata-polyfill (changes)	minor bug fix, sub-dependency updates
fuzzaldrin-plus (changes)	improve multi-word path query
jquery.waitforimages (changes)	better support for srcset
stickyfilljs (changes)	nothing noteworthy
underscore (changes)	minor bug fixes

Screenshots

n/a

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team