openvidu-deployment: AWS HA: keep the PT20M WaitCondition timeout of the Master Nodes

Back to PT20M from PT40M. A healthy stack completes in about 6 to 7 minutes now that each Master
Node signals once OpenVidu is healthy, so 20 minutes are enough, and a hung installation fails
sooner.


Assisted-by: claude-code - Anthropic - Claude Opus 5.5

openvidu-deployment/pro/ha/aws/cf-openvidu-ha.yaml

@@ -2396,7 +2396,7 @@ Resources:
     Type: 'AWS::CloudFormation::WaitCondition'
     CreationPolicy:
       ResourceSignal:
-        Timeout: PT40M
+        Timeout: PT20M
         Count: '1'
 
   OpenViduMasterNode2:
@@ -2488,7 +2488,7 @@ Resources:
     Type: 'AWS::CloudFormation::WaitCondition'
     CreationPolicy:
       ResourceSignal:
-        Timeout: PT40M
+        Timeout: PT20M
         Count: '1'
 
   OpenViduMasterNode3:
@@ -2580,7 +2580,7 @@ Resources:
     Type: 'AWS::CloudFormation::WaitCondition'
     CreationPolicy:
       ResourceSignal:
-        Timeout: PT40M
+        Timeout: PT20M
         Count: '1'
 
   OpenViduMasterNode4:
@@ -2671,7 +2671,7 @@ Resources:
     Type: 'AWS::CloudFormation::WaitCondition'
     CreationPolicy:
       ResourceSignal:
-        Timeout: PT40M
+        Timeout: PT20M
         Count: '1'
 
   OpenViduMediaNodeLaunchTemplate: