downgrading node version to 18.x for compatibility with canvas package

Author: akaiap

.github/workflows/node.js.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [18.x]
 
     steps:
     - uses: actions/checkout@v4