Move @types/semver from dependencies to devDependencies. (#1236)

Author: ota-meshi

package.json

@@ -53,7 +53,6 @@
     "eslint": "^6.0.0 || ^7.0.0"
   },
   "dependencies": {
-    "@types/semver": "^7.2.0",
     "eslint-utils": "^2.0.0",
     "natural-compare": "^1.4.0",
     "semver": "^7.3.2",
@@ -63,6 +62,7 @@
     "@types/eslint": "^7.2.0",
     "@types/natural-compare": "^1.4.0",
     "@types/node": "^13.13.5",
+    "@types/semver": "^7.2.0",
     "@typescript-eslint/parser": "^3.0.2",
     "@vuepress/plugin-pwa": "^1.4.1",
     "babel-eslint": "^10.1.0",