Update deployments/deploy_nginx.yaml

deployments/deploy_nginx.yaml

 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: nginx-deployment
+  name: nginx-deployment-via-testing-gitlab-agent-repo
   namespace: testing
 spec:
   selector:
     matchLabels:
       app: nginx
-  replicas: 3 # tells deployment to run 2 pods matching the template
+  replicas: 2 # tells deployment to run 2 pods matching the template
   template:
     metadata:
       labels: