Update prism-node protobuffs

### Is this a regression?

No

### Description

Change the protos' package name inside `prism-node` from `io.iohk.atala.prism.proto` to `org.hyperledger.identus.proto`

Dir https://github.com/hyperledger/identus-cloud-agent/tree/main/prism-node/client/scala-client

### Please provide the exception or error you saw

```Markdown

```

### Please provide the environment you discovered this bug in

```Markdown

```

### Anything else?

_No response_