Add testnet-citus deployment to testnet-eu cluster

[xin-hedera]

Description:

This PR adds testnet-citus deployment to testnet-eu cluster

• Add configs for testnet-citus to testnet-eu cluster
• Temporarily disable testnet-citus importer
• Temporarily disable testnet-citus ingress for grpc, rest, restjava, and web3

Related issue(s):

Relates to #8188

Notes for reviewer:

Checklist

• [ ] Documented (Code comments, README, etc.)
• [ ] Tested (unit, integration, etc.)