[Feature]: Ability to pass in hook related data as a json object to plugin telemetry command

### Problem

with this PR-https://github.com/microsoft/mcp/pull/1979, we are supporting some telemetry information. As we use more hooks, we need to implement a way to support hook telemetry by passing in json object. figure out if that's supported and implement the change.

### Desired Solution

mentioned above. will keep updating the issue as we go.

### Alternatives and Workarounds

_No response_

### Impact

_No response_

### Additional Context

_No response_

Start by reviewing PR #1979 and the plugin telemetry command implementation to determine how telemetry is currently passed to hooks. Define the JSON-object input shape and update the command and its tests so hook-related data is accepted and verified.

Written by the indexing model from the issue text.