chore(deps): bump @maxgraph/core from 0.11.0 to 0.12.0 (#139)

Author: dependabot[bot]

package-lock.json

@@ -6,7 +6,7 @@
     "./projects/*"
   ],
   "dependencies": {
-    "@maxgraph/core": "0.11.0"
+    "@maxgraph/core": "0.12.0"
   },
   "devDependencies": {
     "typescript": "~5.5.3"