[Feat.Req] Add HTTP request compression to RAV requests

[aasseman]

Problem statement
The TAP Aggregator API is based on JSON-RPC. Thus there are easy bandwidth gains to be had with request compression since JSON is usually highly compressible.

Additional context

indexer-rs/tap-agent/src/tap/sender_allocation_relationship.rs

Lines 297 to 302 in 1178c63

	// TODO: Request compression and response decompression. Also a fancy user agent?
	let client = HttpClientBuilder::default()
	.request_timeout(Duration::from_secs(
	inner.config.tap.rav_request_timeout_secs,
	))
	.build(&inner.sender_aggregator_endpoint)?;