ansible-core 2.19 compatibility

[hwo-wd]

fixes #309

[hwo-wd]

@guidograzioli I guess it would only make sense to adapt the test matrix to include 2.19 (and 2.18), but from what I can see this happens upstream somewhere

[RanabirChakraborty]

@hwo-wd can you force push the PR again, we now have ansible-core 2.19 runner available to test your fix via github-action CI.

[hwo-wd]

thanks for the ping, @RanabirChakraborty; the molecule tests themselves are looking good, but there seems to be a different issue with all (?) CI runs:
eg. https://github.com/ansible-middleware/keycloak/actions/runs/17819825043:

Error when evaluating 'strategy' for job 'sanity'. ansible-middleware/github-actions/.github/workflows/cish.yml@main (Line: 121, Col: 18): Error from function 'fromJSON': Expected ']' but encountered: '{'. Located at line 18 position 5 within JSON., ansible-middleware/github-actions/.github/workflows/cish.yml@main (Line: 121, Col: 18): Unexpected value ''