feat(kubernetes): add proxy-pod isolation topology

Signed-off-by: Drew Newberry <anewberry@nvidia.com>

.github/workflows/branch-e2e.yml

@@ -406,16 +406,12 @@ jobs:
         include:
           - agent_sandbox_api: v1beta1
             agent_sandbox_version: v0.5.0
-            topology: combined
-            extra_helm_values: ""
+            topology: proxy-pod
+            extra_helm_values: deploy/helm/openshell/ci/values-proxy-pod.yaml
           - agent_sandbox_api: v1alpha1
             agent_sandbox_version: v0.4.6
-            topology: combined
-            extra_helm_values: ""
-          - agent_sandbox_api: v1beta1
-            agent_sandbox_version: v0.5.0
-            topology: sidecar
-            extra_helm_values: deploy/helm/openshell/ci/values-sidecar.yaml
+            topology: proxy-pod
+            extra_helm_values: deploy/helm/openshell/ci/values-proxy-pod.yaml
     permissions:
       actions: read
       contents: read
@@ -440,6 +436,7 @@ jobs:
       image-tag: ${{ github.sha }}
       job-name: Kubernetes E2E (workspace managed mode)
       e2e-task: e2e:kubernetes:workspace-managed
+      extra-helm-values: deploy/helm/openshell/ci/values-proxy-pod.yaml
       conformance-artifact-prefix: openshell-conformance
 
   kubernetes-external-driver-e2e:
@@ -457,6 +454,7 @@ jobs:
       gateway-artifact: openshell-gateway-plain-x86_64-unknown-linux-gnu
       external-driver-binary: openshell-driver-kubernetes
       cluster-images: supervisor
+      extra-helm-values: deploy/helm/openshell/ci/values-proxy-pod.yaml
       conformance-artifact-prefix: openshell-conformance
 
   kubernetes-workspace-operator-e2e:
@@ -471,6 +469,7 @@ jobs:
       image-tag: ${{ github.sha }}
       job-name: Kubernetes E2E (workspace operator mode)
       e2e-task: e2e:kubernetes:workspace-operator
+      extra-helm-values: deploy/helm/openshell/ci/values-proxy-pod.yaml
       conformance-artifact-prefix: openshell-conformance
 
   kubernetes-ha-e2e: