Merge pull request #97 from trojs/feature/eslint-9

Use Eslint 9 and fix lint issues

Author: w3nl

.eslintrc

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 21.x, 22.x, 23.x]
+        node-version: [20.x, 21.x, 22.x, 23.x]
 
     steps:
     - uses: actions/checkout@v4