ci: only use ubuntu for 22.x

Author: fraxken

.github/workflows/node.js.yml

@@ -14,8 +14,8 @@ jobs:
     runs-on: ${{matrix.os}}
     strategy:
       matrix:
-        node-version: [20.x, 22.x]
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        node-version: [22.x]
+        os: [ubuntu-latest]
       fail-fast: false
     steps:
       - name: Harden Runner