Add connectionTimeout configuration to gloo canary test

Signed-off-by: Megum1n <misaka@pantsu.moe>

test/gloo/test-canary.sh

@@ -39,6 +39,7 @@ spec:
     - addr: "example.com"
       port: 80
   connectionConfig:
+    connectionTimeout: 2s
     maxRequestsPerConnection: 51
   loadBalancerConfig:
     roundRobin:
@@ -221,4 +222,4 @@ echo '✔ A/B testing promotion test passed'
 
 kubectl -n gloo-system logs deployment/flagger
 
-echo '✔ All tests passed'
+echo '✔ All tests passed'