[Feature] Add the posibility to create tables in the create_finding action

[crileroro]

Is your feature request related to a problem?
No

Describe the solution you'd like
Currently I am using the action create_finding. I would like to have a way to create tables in the description. Something around the lines of:

actions:
      - create_finding:
          title: 'Workflow $labels.workflow_name failed'
          aggregation_key: WorkflowFailures
          severity: HIGH
          description: |
             # Following is a pseudocode of a table creation
             | workflow name | namespace | severity|
             ----
             | $labels.workflow_name | $labels.namespace | HIGH | 

Additional context
Would be nice to have this and more features from markdown in order to enrich further the description in my create_finding action

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