Update dev-dependencies

Author: wooorm

package.json

@@ -37,15 +37,15 @@
   "devDependencies": {
     "@types/mdast": "^3.0.0",
     "browserify": "^16.0.0",
-    "dtslint": "^3.0.0",
+    "dtslint": "^4.0.0",
     "nyc": "^15.0.0",
     "prettier": "^2.0.0",
     "remark": "^12.0.0",
     "remark-cli": "^8.0.0",
     "remark-preset-wooorm": "^7.0.0",
     "tape": "^5.0.0",
-    "tinyify": "^2.0.0",
-    "xo": "^0.32.0"
+    "tinyify": "^3.0.0",
+    "xo": "^0.33.0"
   },
   "scripts": {
     "format": "remark . -qfo && prettier . --write && xo --fix --ignore types",