Update echarts dep to v6

Author: hemi-siemens

.changeset/five-items-applaud.md

@@ -0,0 +1,5 @@
+---
+'@siemens/ix-echarts': patch
+---
+
+Update echarts dep to v6

packages/echarts/package.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/siemens/ix",
     "directory": "packages/echarts"
   },
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "Siemens iX theme for echarts",
   "main": "dist/index.js",
   "types": "dist/types/index.d.ts",
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@playwright/test": "^1.54.1",
     "@rollup/plugin-typescript": "^8.5.0",
-    "echarts": "^5.5.1",
+    "echarts": "^6.0.0",
     "http-server": "^14.1.1",
     "rimraf": "^3.0.2",
     "rollup": "^2.79.1",
@@ -38,6 +38,6 @@
     "typescript": "^4.9.5"
   },
   "peerDependencies": {
-    "echarts": "^5.3.3"
+    "echarts": "^6.0.0"
   }
 }