build(deps): bump echarts from 4.2.1 to 6.1.0 in /litemall-admin

Bumps [echarts](https://github.com/apache/echarts) from 4.2.1 to 6.1.0.
- [Release notes](https://github.com/apache/echarts/releases)
- [Commits](apache/echarts@4.2.1...6.1.0)

---
updated-dependencies:
- dependency-name: echarts
  dependency-version: 6.1.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

litemall-admin/package.json

@@ -48,7 +48,7 @@
     "clipboard": "2.0.4",
     "connect": "3.6.6",
     "core-js": "^3.30.1",
-    "echarts": "4.2.1",
+    "echarts": "6.1.0",
     "element-ui": "2.15.6",
     "file-saver": "1.3.8",
     "js-cookie": "2.2.0",