Add --pyroscope-address flag to enable continuous profiling via Pyroscope.
Add --pyroscope-app-name flag to customize the application name reported
to Pyroscope (defaults to lavap-consumer/lavap-provider/lavap-smartrouter).

When the address flag is provided, the application connects to the specified
Pyroscope server and sends profiling data for CPU, memory allocations,
memory in-use, and goroutines.

Supported commands:

• lavap rpcconsumer (default app name: lavap-consumer)
• lavap rpcprovider (default app name: lavap-provider)
• lavap rpcsmartrouter (default app name: lavap-smartrouter)

Usage example:
lavap rpcconsumer --pyroscope-address http://pyroscope:4040 --pyroscope-app-name my-consumer ...

Description

Closes: #XXXX

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