ci: [Cilium] Add CNS and dropgz version as pipeline params (#2058)

Author: vipul-21

.pipelines/cni/cilium/nightly-release-test.yml

@@ -6,6 +6,8 @@ stages:
     displayName: "Build and Push Cilium Image"
     jobs:
       - job: build_and_push_cilium_image
+        pool:
+          name: $(BUILD_POOL_NAME_DEFAULT)
         steps:
           - bash: |
               set -ex
@@ -46,6 +48,8 @@ stages:
       modulePath: "$(GOPATH)/src/github.com/Azure/azure-container-networking"
     jobs:
       - job: cilium_nightly
+        pool:
+          name: $(BUILD_POOL_NAME_DEFAULT)
         steps:
         - template: ../../singletenancy/cilium-overlay/cilium-overlay-e2e-step-template.yaml
           parameters:

.pipelines/singletenancy/cilium-overlay/cilium-overlay-e2e-step-template.yaml

@@ -99,7 +99,7 @@ steps:
       # Nightly does not build images per commit. Will use existing image. 
       if [ "$CILIUM_VERSION_TAG" = "cilium-nightly-pipeline" ] 
       then 
-          CNS=v1.5.3 DROPGZ=v0.0.4 && echo "Running nightly"
+          CNS=$(CNS_VERSION) DROPGZ=$(DROP_GZ_VERSION) && echo "Running nightly"
       else 
           CNS=$(make cns-version) DROPGZ=$(make cni-dropgz-version) 
       fi