Release for v2.9.0

Changelog

[v2.9.0]

Added touch event support for PDF and image annotations in grading view (#7736)
Added datetime-based visibility scheduling for assessments with visible_on and visible_until columns (#7697)
Added frontend UI for assignment visibility scheduling with three visibility options and section-specific overrides (#7717)
Added new loading spinner icon for tables (#7602)
Added functionality to apply bonuses and penalties as a percentage of the student's earned marks to ExtraMark model (#7702)
Switched to consistent Font Awesome chevrons for expander icons (#7713)
Install Ruby-LSP to allow development inside different IDEs such as VSCode (#7718)
Ensure only instructors and admins can link course, as LMS launch MarkUs button made available for all users (#7714)
Include student number in roster sync from Canvas (#7731)
Add API endpoint add_test_run that allows independent user submissions of test executions to MarkUs (#7730)
Display timeout status for autotest runs in the Test Results table. (#7734)
Assign extra marks in test definition. (Currently limited to pytest files) (#7728)
Enable zip downloads of test results (#7733)
Create rake task to remove orphaned end users (#7741)
Enable scanned assignments the ability to add inactive students (#7737)

Fix name column search in graders table (#7693)
Check against mtime instead of atime for clean up of git repo directories in tmp folder (#7706)
Update Model: Fix level validation checks through use of a custom validator (#7696)
Fixed test group results table to display extra_info field from all test groups (#7710)
Fixed syncing grades with Canvas to not include inactive students (#7759)

Updated Github Actions CI to use cache-apt-pkgs to speed up workflow runs (#7645)
Converted "Create Group" functionality to React modal (#7663)
Added tests to improve coverage for AnnotationCategory's self.to_json method
Added tests to the Criteria Controller class to achieve full test coverage
Refactored Criterion subclasses to remove redundant code
Converted "Rename Group" functionality to React modal (#7673)
Fixed Rack deprecation warnings by updating HTTP status code symbols (#7675)
Refactored "Reuse Groups" functionality to use React modal and relocated button to action box row (#7688)
Updated pre-commit rubocop-rails version to 2.33.4 (#7691)
Refactored MarksPanel child components and converted the components into hook-based function components
Refactored jQuery active marks panel component tracking logic into React
Updated the course summary table to use @tanstack/react-table v8 (#7732)
Refactored test_run_table.jsx by extracting nested components into separate files (#7739)