Unpin Node.js v20 version (#15373)

.github/workflows/dev-test.yml

@@ -27,7 +27,7 @@ jobs:
           - "windows-latest"
         node:
           # Latest even version
-          - "20.5" # https://github.com/nodejs/node/issues/49497
+          - "20"
           # Minimal version for development
           - "16"
         include: