Allow dispatcher contracts 3.x - #18

Error when evaluating 'strategy' for job 'assign'. ibexa/gh-workflows/.github/workflows/pr-assign.yml@main (Line: 53, Col: 15): Error from function 'fromJson': empty input, ibexa/gh-workflows/.github/workflows/pr-assign.yml@main (Line: 53, Col: 15): Unexpected value ''

Error when evaluating 'strategy' for job 'assign'. ibexa/gh-workflows/.github/workflows/pr-assign.yml@main (Line: 53, Col: 15): Error from function 'fromJson': empty input, ibexa/gh-workflows/.github/workflows/pr-assign.yml@main (Line: 53, Col: 15): Unexpected value ''

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