Upgrade dependencies

Author: ota-meshi

package.json

@@ -52,28 +52,27 @@
   "dependencies": {
     "eslint-utils": "^2.0.0",
     "natural-compare": "^1.4.0",
-    "semver": "^5.6.0",
+    "semver": "^7.3.2",
     "vue-eslint-parser": "^7.0.0"
   },
   "devDependencies": {
-    "@types/node": "^4.2.16",
-    "@typescript-eslint/parser": "^2.6.1",
-    "@vuepress/plugin-pwa": "^1.4.0",
-    "acorn": "^7.1.0",
-    "babel-eslint": "^10.0.2",
-    "chai": "^4.1.0",
+    "@types/node": "^13.13.5",
+    "@typescript-eslint/parser": "^2.31.0",
+    "@vuepress/plugin-pwa": "^1.4.1",
+    "babel-eslint": "^10.1.0",
+    "chai": "^4.2.0",
     "eslint": "^7.0.0",
-    "eslint-plugin-eslint-plugin": "^2.0.1",
-    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-eslint-plugin": "^2.2.1",
+    "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-vue": "file:.",
     "eslint-plugin-vue-libs": "^4.0.0",
-    "eslint4b": "^6.8.0",
-    "lodash": "^4.17.4",
-    "mocha": "^5.2.0",
-    "nyc": "^12.0.2",
-    "typescript": "^3.5.2",
+    "eslint4b": "^7.0.0",
+    "lodash": "^4.17.15",
+    "mocha": "^7.1.2",
+    "nyc": "^15.0.1",
+    "typescript": "^3.8.3",
     "vue-eslint-editor": "^1.1.0",
-    "vuepress": "^1.4.0"
+    "vuepress": "^1.4.1"
   },
   "publishConfig": {
     "tag": "next"