fix(deps): update dependency echarts to v5.6.0

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "axios": "1.6.8",
     "chart.js": "4.4.3",
     "dashjs": "4.7.4",
-    "echarts": "5.5.0",
+    "echarts": "5.6.0",
     "flowchart.ts": "3.0.0",
     "hls.js": "1.5.8",
     "katex": "0.16.10",