build: run test on eslint pre-releases (#171)

* build: run test on eslint alpha releases

* Update CI.yml

* Update CI.yml

* chore: fix failing tests

refactor the unsupported/* rules tests to make the tests passing.
since eslint v9, it starts checking dulp tests;

Author: aladdin-add

.github/workflows/CI.yml

@@ -33,7 +33,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        eslint: [8.x, "9.0.0-alpha.0"]
+        eslint: [8.x, "next"]
         node: [18.x, 20.x]
         include:
           - os: ubuntu-latest