build: Workaround for jest version detection error

Error: Error while loading rule 'jest/no-deprecated-functions': Unable to detect Jest version - please ensure jest package is installed, or otherwise set version explicitly

 preactjs/eslint-config-preact#19

.eslintrc.cjs

@@ -21,6 +21,5 @@ module.exports = {
         "ecmaVersion": "latest",
         "sourceType": "module"
     },
-    "rules": {
-    }
+    "rules": { "jest/no-deprecated-functions": 0 }
 }