fix(deps): update dependency vue-router to v4

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
  "core-js": "^3.9.0",
  "particles.vue": "^3.0.0",
  "vue": "^2.6.13",
- "vue-router": "^3.5.2"
+ "vue-router": "^4.0.0"
  },
  "devDependencies": {
  "@vue/cli-plugin-babel": "~4.5.9",

yarn.lock

@@ -1680,6 +1680,11 @@
  optionalDependencies:
  prettier "^1.18.2 || ^2.0.0"
 
+"@vue/devtools-api@^6.6.4":
+ version "6.6.4"
+ resolved "https://registry.yarnpkg.com/@vue/devtools-api/-/devtools-api-6.6.4.tgz#cbe97fe0162b365edc1dba80e173f90492535343"
+ integrity sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==
+
 "@vue/preload-webpack-plugin@^1.1.0":
  version "1.1.2"
  resolved "https://registry.yarnpkg.com/@vue/preload-webpack-plugin/-/preload-webpack-plugin-1.1.2.tgz#ceb924b4ecb3b9c43871c7a429a02f8423e621ab"
@@ -8838,10 +8843,12 @@ vue-property-decorator@^9.1.2:
  resolved "https://registry.yarnpkg.com/vue-property-decorator/-/vue-property-decorator-9.1.2.tgz#266a2eac61ba6527e2e68a6933cfb98fddab5457"
  integrity sha512-xYA8MkZynPBGd/w5QFJ2d/NM0z/YeegMqYTphy7NJQXbZcuU6FC6AOdUAcy4SXP+YnkerC6AfH+ldg7PDk9ESQ==
 
-vue-router@^3.5.2:
- version "3.5.2"
- resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.5.2.tgz#5f55e3f251970e36c3e8d88a7cd2d67a350ade5c"
- integrity sha512-807gn82hTnjCYGrnF3eNmIw/dk7/GE4B5h69BlyCK9KHASwSloD1Sjcn06zg9fVG4fYH2DrsNBZkpLtb25WtaQ==
+vue-router@^4.0.0:
+ version "4.5.0"
+ resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-4.5.0.tgz#58fc5fe374e10b6018f910328f756c3dae081f14"
+ integrity sha512-HDuk+PuH5monfNuY+ct49mNmkCRK4xJAV9Ts4z9UFc4rzdDnxQLyCMGGc8pKhZhHTVzfanpNwB/lwqevcBwI4w==
+ dependencies:
+ "@vue/devtools-api" "^6.6.4"
 
 vue-style-loader@^4.1.0, vue-style-loader@^4.1.2:
  version "4.1.3"