chore(main): release 5.3.3

[github-actions[bot]]

:robot: I have created a release beep boop

5.3.3 (2024-05-13)

Miscellaneous Chores

• fix ecs findings (4ad2007)

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[github-actions[bot]]

:robot: Release is at https://github.com/cgoIT/contao-calendar-ical-bundle/releases/tag/v5.3.3 :sunflower: