chore: update dependency diagram-js to v14

Author: renovate[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "@rollup/plugin-node-resolve": "^15.2.3",
     "@rollup/plugin-terser": "^0.4.4",
     "chai": "^4.4.0",
-    "diagram-js": "^13.0.0",
+    "diagram-js": "^14.0.0",
     "eslint": "^8.56.0",
     "eslint-plugin-bpmn-io": "^1.0.0",
     "karma": "^6.4.2",