Bump echarts from 4.5.0 to 4.8.0

Bumps [echarts](https://github.com/apache/incubator-echarts) from 4.5.0 to 4.8.0.
- [Release notes](https://github.com/apache/incubator-echarts/releases)
- [Commits](apache/echarts@4.5.0...4.8.0)

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

Author: dependabot-preview[bot]

package.json

@@ -117,7 +117,7 @@
     "@supermap/iclient-common": "file:src/common",
     "@turf/turf": "5.1.6",
     "canvg": "3.0.2",
-    "echarts": "4.5.0",
+    "echarts": "4.8.0",
     "elasticsearch": "16.5.0",
     "fetch-ie8": "1.5.0",
     "fetch-jsonp": "1.1.3",