feat: bump to v0.6.11 with dependency updates

- Update solana-streamer-sdk to 0.4.9
- Increase transaction confirmation timeout to 10s
- Update documentation version references

src/swqos/common.rs

@@ -26,7 +26,7 @@ impl FormatBase64VersionedTransaction for VersionedTransaction {
 }
 
 pub async fn poll_transaction_confirmation(rpc: &SolanaRpcClient, txt_sig: Signature) -> Result<Signature> {
-    let timeout: Duration = Duration::from_secs(5);
+    let timeout: Duration = Duration::from_secs(10);
     let interval: Duration = Duration::from_millis(1000);
     let start: Instant = Instant::now();