fix: Update backend dependency containing updated pk write fix (#956)

* update dependency showing noir CI passing with pk buffer overflow fix

* update aztec_backend ref to have correct acvm

* cargo lock

* update to aztec_backend master after fix merged

Author: vezenovm

Cargo.lock

@@ -35,8 +35,8 @@ color-eyre = "0.6.2"
 
 
 # Backends
-aztec_backend = { optional = true, package = "barretenberg_static_lib", git = "https://github.com/noir-lang/aztec_backend", rev = "b7f68bddcf05de22f77726c94450791141accc9a" }
-aztec_wasm_backend = { optional = true, package = "barretenberg_wasm", git = "https://github.com/noir-lang/aztec_backend", rev = "b7f68bddcf05de22f77726c94450791141accc9a" }
+aztec_backend = { optional = true, package = "barretenberg_static_lib", git = "https://github.com/noir-lang/aztec_backend", rev = "2cb523d2ab95249157b22e198d9dcd6841c3eed8" }
+aztec_wasm_backend = { optional = true, package = "barretenberg_wasm", git = "https://github.com/noir-lang/aztec_backend", rev = "2cb523d2ab95249157b22e198d9dcd6841c3eed8" }
 marlin_arkworks_backend = { optional = true, git = "https://github.com/noir-lang/marlin_arkworks_backend", rev = "144378edad821bfaa52bf2cacca8ecc87514a4fc" }
 
 [features]