* events: rename audit to events
* policies/expression: log expression exceptions as event
* policies/expression: add ExpressionPolicy Model to event when possible
* lib/expressions: ensure syntax errors are logged too
* lib: fix lint error
* policies: add execution_logging field
* core: add property mapping tests
* policies/expression: add full test
* policies/expression: fix attribute name
* policies: add execution_logging
* web: fix imports
* root: update swagger
* policies: use dataclass instead of dict for types
* events: add support for dataclass as event param
* events: add special keys which are never cleaned
* policies: add tests for process, don't clean full cache
* admin: create event when new version is seen
* events: move utils to separate file
* admin: add tests for admin tasks
* events: add .set_user method to ensure users have correct attributes set
* core: add test for property_mapping errors with user and request
* flows: add PLAN_CONTEXT_REDIRECT so final redirect can be set from within flow
* sources/*: use PLAN_CONTEXT_REDIRECT
* flows: fallback when flow plan is empty
