rust: update aes and aes-gcm crates

Addresses RUSTSEC-2021-0059, RUSTSEC-2021-0060.

rust/Cargo.toml.in

@@ -36,8 +36,8 @@ widestring = "~0.4.3"
 flate2 = "~1.0.19"
 brotli = "~3.3.0"
 hkdf = "~0.12.3"
-aes = "~0.6.0"
-aes-gcm = "~0.8.0"
+aes = "~0.7.5"
+aes-gcm = "~0.9.4"
 
 sawp-modbus = "~0.11.0"
 sawp = "~0.11.0"

rust/src/quic/crypto.rs

@@ -17,7 +17,7 @@
 
 use aes::cipher::generic_array::GenericArray;
 use aes::Aes128;
-use aes::BlockCipher;
+use aes::BlockEncrypt;
 use aes::NewBlockCipher;
 use aes_gcm::AeadInPlace;
 use aes_gcm::Aes128Gcm;