v0.54.0

## What's Changed
* fix(MonacoCel): move dynamic import to module level to prevent render-cycle interference by @ausias-armesto in https://github.com/keephq/keep/pull/6556
* feat: Add continue_on_error support for workflow steps and actions by @ausias-armesto in https://github.com/keephq/keep/pull/6554
* feat: add `keep.dict_set` and `dict_merge` workflow helpers by @Ishant5436 in https://github.com/keephq/keep/pull/6560
* fix: prevent AUTH0 test timeout caused by OIDC discovery HTTP call by @ausias-armesto in https://github.com/keephq/keep/pull/6566
* fix: assignee not appearing in alert feed filters after self-assign by @an0nym21 in https://github.com/keephq/keep/pull/6570
* fix: close leaked SQLAlchemy sessions in process_watcher_task by @Rolled in https://github.com/keephq/keep/pull/5611
* fix: change monaco-editor imports to type-only imports by @Federicorao in https://github.com/keephq/keep/pull/6578
* fix(ui): exclude public static assets from auth middleware to fix image loading by @an0nym21 in https://github.com/keephq/keep/pull/6576
* fix: Prevent alerts facets sidebar from freezing with high facet cardinality (#6577) by @shahargl in https://github.com/keephq/keep/pull/6589

## New Contributors
* @Ishant5436 made their first contribution in https://github.com/keephq/keep/pull/6560
* @an0nym21 made their first contribution in https://github.com/keephq/keep/pull/6570
* @Rolled made their first contribution in https://github.com/keephq/keep/pull/5611
* @Federicorao made their first contribution in https://github.com/keephq/keep/pull/6578

**Full Changelog**: https://github.com/keephq/keep/compare/v0.53.0...v0.54.0