Update Node.js version in CI workflow to 20

Author: bourgeoa

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [ '^22.14.0' ]
+        node-version: [ '^20.19.2' ]
         os: [ubuntu-latest]
 
     steps: