ROX-27350: Switch `determine-image-tag` to trusted task #2020

Job	Run time
init	1m 36s
wait-for-images	2h 30m 6s
integration-tests-containers / Determine if tests image needs to be built	3s
integration-tests-containers / common-variables	3s
integration-tests-containers / rebuild-containers	0s
integration-tests-containers / Build the integration test image	0s
run-konflux-tests	0s
k8s-integration-tests	0s
	2h 31m 48s

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