Update the number of microservice replicas for OPEA v0.9 (#645)

Author: Zhenzhong1

ChatQnA/benchmark/four_gaudi/chatqna_mega_service_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: chatqna-backend-server-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 4
   selector:
     matchLabels:
       app: chatqna-backend-server-deploy

ChatQnA/benchmark/four_gaudi/embedding-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: embedding-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 4
   selector:
     matchLabels:
       app: embedding-deploy

ChatQnA/benchmark/four_gaudi/llm-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: llm-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 4
   selector:
     matchLabels:
       app: llm-deploy

ChatQnA/benchmark/four_gaudi/reranking-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: reranking-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 4
   selector:
     matchLabels:
       app: reranking-deploy

ChatQnA/benchmark/four_gaudi/retrieval-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: retriever-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 4
   selector:
     matchLabels:
       app: retriever-deploy

ChatQnA/benchmark/two_gaudi/chatqna_mega_service_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: chatqna-backend-server-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: chatqna-backend-server-deploy

ChatQnA/benchmark/two_gaudi/embedding-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: embedding-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: embedding-deploy

ChatQnA/benchmark/two_gaudi/llm-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: llm-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: llm-deploy

ChatQnA/benchmark/two_gaudi/reranking-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: reranking-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: reranking-deploy

ChatQnA/benchmark/two_gaudi/retrieval-microservice_run.yaml

@@ -7,7 +7,7 @@ metadata:
   name: retriever-deploy
   namespace: default
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: retriever-deploy