Upgrade devDependencies

- codecov: 3.3.0
- eslint: 5.16.0
- mocha: 6.1.3
- mocha-junit-reporter: 1.22.0
- nyc: 14.0.0
- vuepress: 1.0.0-alpha.47
- sinon: 7.3.2
- @babel/core: 7.4.3
- @babel/preset-env: 7.4.3
- webpack: 4.30.0

package.json

@@ -22,16 +22,16 @@
         "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov"
     },
     "dependencies": {
-        "codecov": "3.2.0",
-        "eslint": "5.15.3",
+        "codecov": "3.3.0",
+        "eslint": "5.16.0",
         "eslint-config-futagozaryuu": "5.8.0",
         "eslint-plugin-vue": "5.2.2",
-        "mocha": "6.0.2",
-        "mocha-junit-reporter": "1.18.0",
+        "mocha": "6.1.3",
+        "mocha-junit-reporter": "1.22.0",
         "mocha-multi-reporters": "1.1.7",
-        "nyc": "13.3.0",
+        "nyc": "14.0.0",
         "rimraf": "2.6.3",
-        "vuepress": "1.0.0-alpha.44"
+        "vuepress": "1.0.0-alpha.47"
     },
     "engines": {
         "node": ">= 6"

test/package.json

@@ -5,6 +5,6 @@
     "dependencies": {
         "chai": "4.2.0",
         "chai-like": "1.1.1",
-        "sinon": "7.3.0"
+        "sinon": "7.3.2"
     }
 }

tools/bundler/package.json

@@ -6,12 +6,11 @@
         "bundle": "bundler.js"
     },
     "dependencies": {
-        "@babel/core": "7.4.0",
-        "@babel/preset-env": "7.4.2",
-        "@futagoza/child-process": "1.0.0",
+        "@babel/core": "7.4.3",
+        "@babel/preset-env": "7.4.3",
         "babel-loader": "8.0.5",
         "dedent": "0.7.0",
-        "webpack": "4.29.6",
+        "webpack": "4.30.0",
         "webpack-cli": "3.3.0"
     },
     "engines": {