Update dev-dependencies

.github/workflows/main.yml

@@ -17,5 +17,5 @@ jobs:
     strategy:
       matrix:
         node:
-          - lts/erbium
+          - lts/fermium
           - node

package.json

@@ -53,13 +53,13 @@
     "micromark": "^3.0.0",
     "micromark-build": "^1.0.0",
     "prettier": "^2.0.0",
-    "remark-cli": "^10.0.0",
+    "remark-cli": "^11.0.0",
     "remark-preset-wooorm": "^9.0.0",
     "rimraf": "^3.0.0",
     "tape": "^5.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
-    "xo": "^0.47.0"
+    "xo": "^0.52.0"
   },
   "scripts": {
     "build": "rimraf \"dev/**/*.d.ts\" \"test/**/*.d.ts\" && tsc && type-coverage && micromark-build",
@@ -79,7 +79,7 @@
   "xo": {
     "prettier": true,
     "rules": {
-      "node/file-extension-in-import": "off",
+      "n/file-extension-in-import": "off",
       "unicorn/no-this-assignment": "off",
       "unicorn/prefer-node-protocol": "off"
     }