build(deps): update quiche requirement from 0.28 to 0.29 (#3090)

Author: dependabot[bot]

quic/s2n-quic-tests/Cargo.toml

@@ -28,7 +28,7 @@ zerocopy = { version = "0.8", features = ["derive"] }
 # quiche does not currently build on 32-bit platforms
 # see https://github.com/cloudflare/quiche/issues/2097
 [target.'cfg(not(target_arch = "x86"))'.dependencies]
-quiche = "0.28"
+quiche = "0.29"
 
 # s2n-tls is required by ch_callback_server_local_address_test and doesn't build on Windows
 [target.'cfg(not(target_os = "windows"))'.dependencies]