Include vpcCidr in default alloy KubeAPI egress netpol

General MR

Summary

Adds vpcCidr to default KubeAPI egress rule

Relevant logs/screenshots

Running helm template ./chart --set=networkPolicies.controlPlaneCidr=10.0.0.0/16 --set=networkPolicies.vpcCidr=192.168.0.0/16 | ./scripts/template-all.sh | yq 'select(.metadata.name == "allow-egress-from-alloy-operator-to-kubeapi")'

Linked Issue

#3110 (closed)

Upgrade Notices

N/A