chore(ci): pin symbolic-common (#5166)

Author: lrstewart

bindings/rust/standard/bench/Cargo.toml

@@ -20,6 +20,7 @@ pprof = { version = "0.14", features = ["criterion", "flamegraph"] }
 # debugging interop failures
 env_logger = "0.10"
 log = "0.4"
+symbolic-common = { version = "=12.13.4" } # newer versions require rust 1.82.0, see https://github.com/aws/s2n-tls/issues/5165
 
 [[bench]]
 name = "handshake"

bindings/rust/standard/rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.74.0"
+channel = "1.81.0"