chore: update to bpmn-moddle@9

Author: nikku

package-lock.json

@@ -38,7 +38,7 @@
   "license": "MIT",
   "devDependencies": {
     "@rollup/plugin-node-resolve": "^15.2.3",
-    "bpmn-moddle": "^8.1.0",
+    "bpmn-moddle": "^9.0.1",
     "chai": "^4.1.2",
     "eslint": "^8.57.0",
     "eslint-plugin-bpmn-io": "^1.0.1",