install cargo if needed

Author: marcoieni

.github/workflows/ci.yml

@@ -189,6 +189,11 @@ jobs:
       # Build it into the build directory, to avoid modifying sources
       - name: build citool
         run: |
+          # Check if cargo is installed
+          if ! command -v cargo &> /dev/null; then
+            echo "Cargo not found, installing Rust..."
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          fi
           cd src/ci/citool
           CARGO_INCREMENTAL=0 CARGO_TARGET_DIR=../../../build/citool cargo build