Build Rust SDK for each PR

.github/workflows/build_rust_sdk.yml

@@ -0,0 +1,26 @@
+name: Build Rust SDK
+
+on:
+  workflow_dispatch:
+  pull_request:
+
+jobs:
+    test_build_rust:
+        name: Build Rust SDK
+        runs-on: ubuntu-latest
+        container:
+            image: ghcr.io/ledgerhq/ledger-app-builder/ledger-app-builder:latest
+        strategy:
+            matrix:
+                target: ["nanox", "nanosplus", "stax", "flex"]
+        steps:
+            - name: Clone
+              uses: actions/checkout@v4
+              with:
+                  repository: LedgerHQ/ledger-device-rust-sdk
+                  ref: master
+                  path: rust_sdk
+            - name: Cargo build
+              working-directory: rust_sdk/ledger_device_sdk
+              run: |
+                  cargo +$RUST_NIGHTLY build --target ${{ matrix.target }}