Update smoke-tests.yml

Wait longer just in case

Maybe don't kill the jetty server?

.github/workflows/smoke-tests.yml

@@ -35,9 +35,8 @@ jobs:
     - name: Start server with jetty
       run: |
         mvn jetty:run & export JPA_PROCESS=$!
-        sleep 45
+        sleep 60
     - name: Execute smoke tests
       run: ./ijhttp/ijhttp ./src/test/smoketest/plain_server.http --env-file ./src/test/smoketest/http-client.env.json --env default
-    - name: Stop server
-      run: kill $JPA_PROCESS
+