qa: Raise feature_help timeout to 5s

Author: MarcoFalke

test/functional/feature_help.py

@@ -17,7 +17,7 @@ def setup_network(self):
         # Don't start the node
 
     def get_node_output(self, *, ret_code_expected):
-        ret_code = self.nodes[0].process.wait(timeout=1)
+        ret_code = self.nodes[0].process.wait(timeout=5)
         assert_equal(ret_code, ret_code_expected)
         self.nodes[0].stdout.seek(0)
         self.nodes[0].stderr.seek(0)