Bump eslint-config-amo to 6.1.0 (#815)

Author: willdurand

.eslintrc

@@ -1,10 +1,7 @@
 {
   "extends": [
-    "amo",
+    "amo/base"
   ],
-  "env": {
-    "node": true
-  },
   "rules": {
     "import/no-extraneous-dependencies": ["error", {
       "devDependencies": true

package.json

@@ -41,7 +41,7 @@
     "chokidar-cli": "^3.0.0",
     "dompurify": "^3.2.6",
     "eslint": "^8.57.0",
-    "eslint-config-amo": "^5.9.0",
+    "eslint-config-amo": "^6.1.0",
     "flat-cache": "^3.1.1",
     "focus-visible": "^5.2.0",
     "fs-extra": "^11.1.1",