Bump echarts from 4.8.0 to 4.9.0

Bumps [echarts](https://github.com/apache/incubator-echarts) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/apache/incubator-echarts/releases)
- [Commits](https://github.com/apache/incubator-echarts/compare/4.8.0...4.9.0)

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

package.json

@@ -14,7 +14,7 @@
     "bootstrap-vue": "^2.16.0",
     "bootswatch": "^4.5.2",
     "core-js": "^3.6.4",
-    "echarts": "^4.8.0",
+    "echarts": "^4.9.0",
     "moment": "^2.27.0",
     "vue": "^2.6.12",
     "vue-class-component": "^7.2.5",

yarn.lock

@@ -3729,12 +3729,12 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
-echarts@^4.8.0:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/echarts/-/echarts-4.8.0.tgz#b2c1cfb9229b13d368ee104fc8eea600b574d4c4"
-  integrity sha512-YwShpug8fWngj/RlgxDaYrLBoD+LsZUArrusjNPHpAF+is+gGe38xx4W848AwWMGoi745t3OXM52JedNrv+F6g==
+echarts@^4.9.0:
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/echarts/-/echarts-4.9.0.tgz#a9b9baa03f03a2a731e6340c55befb57a9e1347d"
+  integrity sha512-+ugizgtJ+KmsJyyDPxaw2Br5FqzuBnyOWwcxPKO6y0gc5caYcfnEUIlNStx02necw8jmKmTafmpHhGo4XDtEIA==
   dependencies:
-    zrender "4.3.1"
+    zrender "4.3.2"
 
 ee-first@1.1.1:
   version "1.1.1"
@@ -9521,7 +9521,7 @@ yorkie@^2.0.0:
     normalize-path "^1.0.0"
     strip-indent "^2.0.0"
 
-zrender@4.3.1:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/zrender/-/zrender-4.3.1.tgz#baf8aa6dc8187a2f819692d7d5f9bedfa2b90fa3"
-  integrity sha512-CeH2TpJeCdG0TAGYoPSAcFX2ogdug1K7LIn9UO/q9HWqQ54gWhrMAlDP9AwWYMUDhrPe4VeazQ4DW3msD96nUQ==
+zrender@4.3.2:
+  version "4.3.2"
+  resolved "https://registry.yarnpkg.com/zrender/-/zrender-4.3.2.tgz#ec7432f9415c82c73584b6b7b8c47e1b016209c6"
+  integrity sha512-bIusJLS8c4DkIcdiK+s13HiQ/zjQQVgpNohtd8d94Y2DnJqgM1yjh/jpDb8DoL6hd7r8Awagw8e3qK/oLaWr3g==