Fix rustup-init sha256sum check (#962)

* Fix rustup-init sha256sum check

* Semver update

---------
Co-authored-by: bstrausser <bstrausser@locusrobotics.com>

src/rust/devcontainer-feature.json

 {
     "id": "rust",
-    "version": "1.1.2",
+    "version": "1.1.3",
     "name": "Rust",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/rust",
     "description": "Installs Rust, common Rust utilities, and their required dependencies",

src/rust/install.sh

@@ -186,6 +186,7 @@ else
     curl -sSL --proto '=https' --tlsv1.2 "https://static.rust-lang.org/rustup/dist/${download_architecture}-unknown-linux-gnu/rustup-init" -o /tmp/rustup/target/${download_architecture}-unknown-linux-gnu/release/rustup-init
     curl -sSL --proto '=https' --tlsv1.2 "https://static.rust-lang.org/rustup/dist/${download_architecture}-unknown-linux-gnu/rustup-init.sha256" -o /tmp/rustup/rustup-init.sha256
     cd /tmp/rustup
+    cp /tmp/rustup/target/${download_architecture}-unknown-linux-gnu/release/rustup-init  /tmp/rustup/rustup-init
     sha256sum -c rustup-init.sha256
     chmod +x target/${download_architecture}-unknown-linux-gnu/release/rustup-init
     target/${download_architecture}-unknown-linux-gnu/release/rustup-init -y --no-modify-path --profile ${RUSTUP_PROFILE} ${default_toolchain_arg}