Update license headers date #773

Job	Run time
Integration Test / Get runner image / Get runner image	5s
Integration Test / Build and push charm	2m 51s
Integration Test / Build rock / Get rocks	2s
Integration Test / Build image / Get images	3s
Integration Test / Build rock / Build rock (wordpress_rock)	10m 10s
Integration Test / Build image / Build image	0s
Integration Test / Get rocks or Docker images	1s
Integration Test / Integration tests / Integration tests (test_addon)	17m 50s
Integration Test / Integration tests / Integration tests (test_core)	14m 3s
Integration Test / Integration tests / Integration tests (test_external)	14m 20s
Integration Test / Integration tests / Integration tests (test_ingress)	14m 36s
Integration Test / Integration tests / Integration tests (test_cos_grafana)	14m 49s
Integration Test / Integration tests / Integration tests (test_cos_loki)	14m 17s
Integration Test / Integration tests / Integration tests (test_cos_prometheus)	14m 45s
Integration Test / Required Integration Test Status Checks	1s
	1h 57m 53s

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