Forward port of JSON-RCP-Relay

[hendrikebbers]

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👾 Description of the issue

As described in the readme of the project the installRelay input param can be used to install a JSON-RCP-RELAY. To use the relay an endpoint need to be forwarded. In the action you can already see how the endpoint of the mirror-node is forwarded. We need to do the same for the JSON-RCP-Relay. A documentation about the configuration of the relay with solo can be found here:
See https://github.com/hashgraph/solo?tab=readme-ov-file#access-hedera-network-services

Next to the implementation in the action we need a seperated action similar to https://github.com/OpenElements/hedera-solo-action/blob/main/.github/workflows/mirrorNode.yml that we can use to test the functionality.

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[Firdous2307]

@hendrikebbers I would like to work on this :)

[Phransis]

I'm interested

[PentesterPriyanshu]

@hendrikebbers hello i am first time contributing in this project can you assign me