Merge pull request #370 from openshift-cherrypick-robot/cherry-pick-3…

…69-to-release-4.14

[release-4.14] OCPBUGS-23006: Add -p flag to cp command to preserve timestamps

pkg/build/builder/source.go

@@ -365,7 +365,7 @@ func copyImageSourceFromFilesytem(sourceDir, destDir string) error {
 		}
 	}
 
-	args := []string{"-r"}
+	args := []string{"-r", "-p"}
 	if log.Is(5) {
 		args = append(args, "-v")
 	}