Update dependency eslint-plugin-vue to v7.9.0

Author: renovate-bot

frontend/package.json

@@ -31,7 +31,7 @@
     "@vue/test-utils": "1.1.4",
     "babel-eslint": "10.1.0",
     "eslint": "7.24.0",
-    "eslint-plugin-vue": "7.8.0",
+    "eslint-plugin-vue": "7.9.0",
     "node-sass": "5.0.0",
     "sass": "1.32.8",
     "sass-loader": "10.1.1",

frontend/yarn.lock

@@ -4144,10 +4144,10 @@ eslint-loader@^2.2.1:
     object-hash "^1.1.4"
     rimraf "^2.6.1"
 
-eslint-plugin-vue@7.8.0:
-  version "7.8.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-7.8.0.tgz#cb0e85d65b65fa8d15e783fbb03c049d2c4cfdae"
-  integrity sha512-OGrnPz+PuYL2HmVyBHxm4mRjxW2kfFCQE6Hw9G6qOHs/Pcu0srOlCCW0FMa8SLzIEqxl8WuKoBSPcMnrjUG2vw==
+eslint-plugin-vue@7.9.0:
+  version "7.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-vue/-/eslint-plugin-vue-7.9.0.tgz#f8e83a2a908f4c43fc8304f5401d4ff671f3d560"
+  integrity sha512-2Q0qQp5+5h+pZvJKCbG1/jCRUYrdgAz5BYKGyTlp2NU8mx09u3Hp7PsH6d5qef6ojuPoCXMnrbbDxeoplihrSw==
   dependencies:
     eslint-utils "^2.1.0"
     natural-compare "^1.4.0"