How to resolve "the object has been modified; please apply your changes to the latest version and try again" error when running oc apply command in RHOCP 4

Issue

• How to resolve "the object has been modified; please apply your changes to the latest version and try again" error when running oc apply command?

  $ oc new-project test
  $ oc new-app httpd
  
  $ oc get deployment httpd -o yaml > deployment.yaml
  $ vi deployment.yaml
      spec:
        containers:
          env:             <-- add
          - name: FOO      <-- add
            value: bar     <-- add
  
  $ oc apply -f deployment.yaml
  deployment.apps/httpd configured
  
  $ oc get deployment httpd -o yaml > deployment.yaml
  $ oc edit deployment httpd
          env:
          - name: FOO      <-- change to FOO1
            value: bar     <-- change to bar1
  
  deployment.apps/httpd edited
  
  $ vi deployment.yaml
          env:
          - name: FOO      <-- change to FOO2
            value: bar     <-- change to bar2
  
  $ oc apply -f deployment.yaml
  
  Error from server (Conflict): error when applying patch:
  to:
  Resource: "apps/v1, Resource=deployments", GroupVersionKind: "apps/v1, Kind=Deployment"
  Name: "httpd", Namespace: "test"
  for: "deployment.yaml": Operation cannot be fulfilled on deployments.apps "httpd": the object has been modified; please 
  apply your changes to the latest version and try again