chore: update to latest oscd-api

Author: stee-re

package-lock.json

@@ -60,7 +60,7 @@
     "@omicronenergy/oscd-test-utils": "^0.0.8",
     "@omicronenergy/oscd-ui": "^0.0.9",
     "@open-wc/scoped-elements": "^3.0.6",
-    "@openscd/oscd-api": "^0.1.4",
+    "@openscd/oscd-api": "^0.1.6",
     "@webcomponents/scoped-custom-element-registry": "^0.0.10",
     "lit": "^3.3.1",
     "tslib": "^2.8.1"