GitHub Actions: Bump tj-actions/verify-changed-files from 17.1.0 to 18.0.0 #65

Job	Run time
build_odo	44s
unit_tests	3m 13s
validate	5m 23s
Podman Tests	18m 14s
No-Cluster Tests	58s
K8s Tests (v1.28.0/ServiceBinding=false)	1h 14m 30s
K8s Tests (v1.28.0/ServiceBinding=true)	15m 20s
K8s Tests (v1.27.3/ServiceBinding=false)	1h 14m 3s
OpenShift Tests	0s
K8s Tests (v1.27.3/ServiceBinding=true)	18m 4s
K8s Tests (v1.26.6/ServiceBinding=false)	1h 14m 47s
K8s Tests (v1.26.6/ServiceBinding=true)	20m 53s
	5h 6m 9s

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