Merge pull request #1226 from zregvart/issue/EC-1015

Remove the unique items constraint

policy/lib/tekton/trusted.rego

@@ -90,7 +90,6 @@ data_errors contains error if {
 					"required": ["effective_on", "ref"],
 					"additionalProperties": false,
 				},
-				"uniqueItems": true,
 				"minItems": 1,
 			}},
 		},

policy/lib/tekton/trusted_test.rego

@@ -86,6 +86,7 @@ test_data_errors if {
 			{"ref": "bad-effective-on", "effective_on": "not-a-date"},
 			{"ref": "bad-effective-on", "effective_on": "2024-01-01T00:00:00Z", "expires_on": "not-a-date"},
 		],
+		# this is allowed
 		"duplicated-entries": [
 			{"ref": "sha256:digest", "effective_on": "2099-01-01T00:00:00Z"},
 			{"ref": "sha256:digest", "effective_on": "2099-01-01T00:00:00Z"},
@@ -122,10 +123,6 @@ test_data_errors if {
 			"message": `trusted_tasks.bad-dates[1].expires_on is not valid RFC3339 format: "not-a-date"`,
 			"severity": "failure",
 		},
-		{
-			"message": "trusted_tasks data has unexpected format: duplicated-entries: array items[0,1] must be unique",
-			"severity": "warning",
-		},
 	}
 
 	lib.assert_equal(tekton.data_errors, expected) with data.trusted_tasks as tasks