Use quinn 0.11.x (anza-xyz#1641)

1. A incoming connection can be ignored now when we do rate limiting -- which is more efficient -- does not require queueing outgoing packets.
2. rustls interface changes of ServerCertVerifier applied to SkipServerVerification implementations
changes in Cargo.toml to handle curve25519-dalek 3.2.1 patching because of zeroize version constraint due to the newer rustls. The workaround is applied to downstream tests.
3. Quinn 0.11.x introduced new error codes which we need to handle.
4. stream finish is no longer an async function.

.github/scripts/downstream-project-spl-common.sh

@@ -30,3 +30,7 @@ sed -i 's/solana-geyser-plugin-interface/agave-geyser-plugin-interface/g' ./Carg
 
 # should be removed when spl bump their curve25519-dalek
 sed -i "s/^curve25519-dalek =.*/curve25519-dalek = \"4.1.3\"/" token/confidential-transfer/proof-generation/Cargo.toml
+
+# fix curve25519-dalek
+
+sed -i '/\[patch.crates-io\]/a curve25519-dalek = { git = "https://github.com/anza-xyz/curve25519-dalek.git", rev = "b500cdc2a920cd5bff9e2dd974d7b97349d61464" }' ./Cargo.toml