Bump flask-httpauth from 3.3.0 to 4.4.0 in /web

[dependabot-preview]

Bumps flask-httpauth from 3.3.0 to 4.4.0.

Changelog

Sourced from flask-httpauth's changelog.

Flask-HTTPAuth change log

Release 4.4.0 - 2021-05-13

• Replace safe_str_cmp with hmac.compare_digest to avoid a deprecation warning from Werkzeug #126 (commit) (thanks Federico Martinez!)
• Drop Python 2 support (commit)

Release 4.3.0 - 2021-05-01

• Support token auth with custom header in MultiAuth class #125 (commit)
• Catch UnicodeDecodeError when passing malformed data in authorization header #122 (commit) (thanks Bastian Raschke!)
• Fixes typo #116 (commit) (thanks Renato Oliveira!)
• Move builds to GitHub actions (commit)

Release 4.2.0 - 2020-11-16

• Allow error response to return a 200 status code #114 (commit)
• Add optional argument to MultiAuth class #115 (commit) (thanks pryankster and Michael Wright!)
• Remove python 3.5 and add python 3.9 to build (commit)

Release 4.1.0 - 2020-06-04

• Basic authentication with custom scheme (commit)

Release 4.0.0 - 2020-04-26

• Return user object from verify callbacks (commit)
• New role authorization support (commit) (thanks gemerden!)
• Add a custom token authorization header option (commit) (thanks Mohamed Feddad!)
• Support an optional=True argument in login_required decorator (commit) (thanks Saif Almansoori!)
• Pass HTTP status code to error callback (commit)
• More secure example of basic auth in the documentation (commit)
• Fix broken links in CHANGES.md and changelog template #85 (commit) (thanks Katie Smith!)

Release 3.3.0 - 2019-05-19

• Use constant time string comparisons #82 (commit1, commit2) (thanks Brendan Long!)
• Edited and changed the usage of JWT, because in fact the code and documentation uses JWS tokens. #79 (commit) (thanks unuseless!)
• Documentation fix #78 (commit)
• Documentation improvements #77 (commit)
• helper release script (commit)

Release 3.2.4 - 2018-06-17

• Refactored HTTPAuth login_required #74 (commit) (thanks nestedsoftware!)
• remove incorrect references to JWT in example application #69 (commit)
• Fix typo in docs #70 (commit) (thanks Grey Li!)
• Fix documentation #67 (commit) (thanks Eugene Rymarev!)
• correct spelling mistake #56 (commit) (thanks Edward Betts!)
• travis build fix for py36 (commit)

... (truncated)

Commits

• 354943b Release 4.4.0
• 79e3ebf replace safe_str_cmp with hmac.compare_digest to avoid a deprecation warning ...
• e690ce5 drop Python 2
• 40c9afc Version 4.3.1dev
• 0e7945a Release 4.3.0
• 6509081 Support token auth with custom header in MultiAuth class (Fixes #125)
• ccf98aa fix build badge link
• 538569f Catch UnicodeDecodeError when passing malformed data in authorization heade...
• 9b4659e Fixes typo (#116)
• ab6938c renamed workflow #nolog
• Additional commits viewable in compare view

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