www/bacula-web: update to 8.7.0

ChangeLog:
Core

Using vlucas/valitron for user input validation
Bumped FontAwesome to version 6.2.0 (#141)
PHP versions
7.4 is now the minimal supported versions, older versions are not supported anymore (#143)
extended support for PHP 8.1 (#147)
Separated some templates into application/views/templates/partials folder (#144)
Removed Composer lock file from git repository
To avoid any potential issues for users using different version of PHP, composer.lock has been removed from the Git repo
Fixed how MVC is implemented by using psr-15 http-handler (#145)
Added router and user authentication middlewares
Using single pass psr-15 middleware for application routing and user authentication
Disabling user authentication does not display a blank page anymore (#140)
Improved how exceptions and errors are handled (#145)
PHP errors and exception handler and renderer has been refactored (#148)
Instantiate Session instance from the Core Controller (#149)
Disabling users authentication does not create a fatalog error nor blank page anymore (#135)
Dashboard

Breadcrumb navigation is now hidden on home page (Dashboard)
Jobs report

Fixed error with elapsed time when a job haven't been started yet if a job
is in pending status, elapsed time column will display 'n/a'
Docker image

Provided Docker image on Docker Hub (#153)
Documentation

Update documentation about deprecated version and general security information (#142)
Updated / fixed documentation
The FAQ has been fixed / updated
Security

Added security policy and documented know security vulnerabilities (#135 and #140)
Fixed
New feature(s)
Thanks to @sruckh, @skidoo23 and all community users for their feedback, tests, help and bug reports