Update GH workflow

Signed-off-by: Waldemar Quevedo <wally@nats.io>

Author: wallyqs

.github/workflows/test.yml

@@ -13,12 +13,13 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    timeout-minutes: 20
     env:
       NATS_SERVER_VERSION: ${{ matrix.nats_version }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         nats_version: ["v2.10.26", "v2.11.0", "main"]
 
     steps: