ci: dont test on node 18

Author: B4nan

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [ 18, 20, 22 ]
+        node-version: [ 20, 22 ]
     steps:
       - name: Checkout Source code
         uses: actions/checkout@v4