Merge bitcoin/bitcoin#34329: rpc,net: Add private broadcast RPCs

2a1d0db799 doc: Mention private broadcast RPCs in release notes (Andrew Toth)
c3378be10b test: Cover abortprivatebroadcast in p2p_private_broadcast (Andrew Toth)
557260ca14 rpc: Add abortprivatebroadcast (Andrew Toth)
15dff452eb test: Cover getprivatebroadcastinfo in p2p_private_broadcast (Andrew Toth)
996f20c18a rpc: Add getprivatebroadcastinfo (Andrew Toth)
5e64982541 net: Add PrivateBroadcast::GetBroadcastInfo (Andrew Toth)
573bb542be net: Store recipient node address in private broadcast (Andrew Toth)

Pull request description:

  Follow up from #29415

  Sending a transaction via private broadcast does not have any way for a user to track the status of the transaction before it gets returned by another peer. The default logs have been removed as well in #34267. Nor is there any way to abort a transaction once it has been added to the private broadcast queue.

  This adds two new RPCs:
  - `getprivatebroadastinfo` returns information about what transactions are in the private broadcast queue, including all the peers' addresses we have chosen and timestamps.
  - `abortprivatebroadcast` stops broadcasting a transaction in the private broadcast queue.

ACKs for top commit:
  nervana21:
    tACK 2a1d0db799
  achow101:
    ACK 2a1d0db799
  l0rinc:
    ACK 2a1d0db799
  danielabrozzoni:
    tACK 2a1d0db799
  sedited:
    ACK 2a1d0db799

Tree-SHA512: cc8682d0be68a57b42bea6e3d091da2b80995d9e6d3b98644cb120a05c2b48a97c2e211173289b758c4f4e23f1d1a1f9be528a9b8c6644f71d1dd0ae5f673326

src/test/fuzz/rpc.cpp

@@ -90,6 +90,7 @@ const std::vector<std::string> RPC_COMMANDS_NOT_SAFE_FOR_FUZZING{
 
 // RPC commands which are safe for fuzzing.
 const std::vector<std::string> RPC_COMMANDS_SAFE_FOR_FUZZING{
+    "abortprivatebroadcast",
     "analyzepsbt",
     "clearbanned",
     "combinepsbt",
@@ -147,6 +148,7 @@ const std::vector<std::string> RPC_COMMANDS_SAFE_FOR_FUZZING{
     "getorphantxs",
     "getpeerinfo",
     "getprioritisedtransactions",
+    "getprivatebroadcastinfo",
     "getrawaddrman",
     "getrawmempool",
     "getrawtransaction",