Remove Node.js 20 and add 26 in tests matrix (#197)

Author: zefir-git

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [20, 22, 24]
+        node: [22, 24, 26]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v7