adds QUIC endpoint for repair service (solana-labs#33057)

Working towards using QUIC protocol for repair, the commit adds a QUIC
endpoint for repair service.

Outgoing local requests are sent as

    struct LocalRequest {
        remote_address: SocketAddr,
        bytes: Vec<u8>,
        num_expected_responses: usize,
        response_sender: Sender<(SocketAddr, Vec<u8>)>,
    }

to the client-side of the endpoint. The client opens a bidirectional
stream with the LocalRequest.remote_address and once received the
response, sends it down the LocalRequest.response_sender channel.

Incoming requests from remote nodes are received from bidirectional
streams and sent as

    struct RemoteRequest {
        remote_pubkey: Option<Pubkey>,
        remote_address: SocketAddr,
        bytes: Vec<u8>,
        response_sender: Option<OneShotSender<Vec<Vec<u8>>>>,
    }

to the repair-service. The response is received from the receiver end of
RemoteRequest.response_sender channel and send back to the remote node
using the send side of the bidirectional stream.

core/Cargo.toml

@@ -23,6 +23,7 @@ crossbeam-channel = { workspace = true }
 dashmap = { workspace = true, features = ["rayon", "raw-api"] }
 eager = { workspace = true }
 etcd-client = { workspace = true, features = ["tls"] }
+futures = { workspace = true }
 histogram = { workspace = true }
 itertools = { workspace = true }
 lazy_static = { workspace = true }
@@ -34,8 +35,11 @@ quinn = { workspace = true }
 rand = { workspace = true }
 rand_chacha = { workspace = true }
 rayon = { workspace = true }
+rcgen = { workspace = true }
 rolling-file = { workspace = true }
+rustls = { workspace = true }
 serde = { workspace = true }
+serde_bytes = { workspace = true }
 serde_derive = { workspace = true }
 solana-accounts-db = { workspace = true }
 solana-address-lookup-table-program = { workspace = true }

core/src/repair/mod.rs

@@ -3,6 +3,7 @@ pub mod cluster_slot_state_verifier;
 pub mod duplicate_repair_status;
 pub mod outstanding_requests;
 pub mod packet_threshold;
+pub(crate) mod quic_endpoint;
 pub mod repair_generic_traversal;
 pub mod repair_response;
 pub mod repair_service;