Update dev-dependencies

Author: przemyslawzalewski

package.json

@@ -57,23 +57,23 @@
   },
   "homepage": "https://github.com/sandstreamdev/std",
   "devDependencies": {
-    "@babel/core": "^7.8.3",
-    "@babel/preset-env": "^7.8.3",
+    "@babel/core": "^7.8.4",
+    "@babel/preset-env": "^7.8.4",
     "@babel/preset-typescript": "^7.8.3",
     "@types/jest": "^25.1.1",
-    "@typescript-eslint/eslint-plugin": "^2.18.0",
-    "@typescript-eslint/parser": "^2.18.0",
+    "@typescript-eslint/eslint-plugin": "^2.19.0",
+    "@typescript-eslint/parser": "^2.19.0",
     "babel-jest": "^25.1.0",
     "core-js": "^3.6.4",
     "eslint": "^6.8.0",
-    "eslint-plugin-import": "^2.20.0",
+    "eslint-plugin-import": "^2.20.1",
     "gh-pages": "^2.2.0",
-    "highlight.js": "^9.18.0",
+    "highlight.js": "^9.18.1",
     "jest": "^25.1.0",
     "nodemon": "^2.0.2",
     "p-queue": "^6.2.1",
     "prettier": "^1.19.1",
-    "rollup": "^1.30.1",
+    "rollup": "^1.31.0",
     "typescript": "^3.7.5"
   }
 }