Upgrade rustc version

Author: Paolo Tranquilli

MODULE.bazel

@@ -37,7 +37,7 @@ bazel_dep(name = "buildifier_prebuilt", version = "6.4.0", dev_dependency = True
 # the versions there are canonical, the versions here are used for CI in github/codeql, as well as for the vendoring of dependencies.
 RUST_EDITION = "2021"
 
-RUST_VERSION = "1.82.0"
+RUST_VERSION = "1.84.0"
 
 rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
 rust.toolchain(

rust/rust-toolchain.toml

@@ -0,0 +1,7 @@
+# This file specifies the Rust version used to develop and test the QL
+# extractor. It is set to the lowest version of Rust we want to support.
+
+[toolchain]
+channel = "1.84"
+profile = "minimal"
+components = [ "rustfmt" ]