Exclude Alpha and Beta tests from k8s-infra-prow-build

Ref: kubernetes/kubernetes#127167

Author: adrianmoisey

config/jobs/kubernetes/sig-network/sig-network-misc.yaml

@@ -112,7 +112,7 @@ presubmits:
         - --provider=gce
         # Skipping snat tests probably GCE related? https://github.com/kubernetes/test-infra/issues/20321
         # Skipping Cloud Provider specific tests: LoadBalancer, ESIPP (Source IP Preservation)
-        - --test_args=--ginkgo.focus=\[sig-network\]|\[Conformance\]|\[Feature:NetworkPolicy\]|\[Feature:NetworkPolicyEndPort\] --ginkgo.skip=\[Feature:(Networking-IPv6|Example|Federation|PerformanceDNS|KubeProxyDaemonSetMigration|ServiceCIDRs|SCTPConnectivity)\]|DualStack|GCE|Disruptive|Serial|SNAT|LoadBalancer|ESIPP
+        - --test_args=--ginkgo.focus=\[sig-network\]|\[Conformance\]|\[Feature:NetworkPolicy\]|\[Feature:NetworkPolicyEndPort\] --ginkgo.skip=\[Feature:(Alpha|Beta|Networking-IPv6|Example|Federation|PerformanceDNS|KubeProxyDaemonSetMigration|SCTPConnectivity)\]|DualStack|GCE|Disruptive|Serial|SNAT|LoadBalancer|ESIPP
         - --timeout=100m
         image: gcr.io/k8s-staging-test-infra/kubekins-e2e:v20240803-cf1183f2db-master
         resources: