Access attributes of the current task run dynamically.
Note that if a task run cannot be discovered, all attributes will return empty values.
You can mock the runtime attributes for testing purposes by setting environment variables
id: the task run's unique ID
name: the name of the task run
tags: the task run's set of tags
parameters: the parameters the task was called with
run_count: the number of times this task run has been run
task_name: the name of the task