XXX install dependencies with apt-get

.github/workflows/rust.yml

@@ -41,12 +41,12 @@ jobs:
       image: rust:1.75.0-bookworm
     timeout-minutes: 45
     steps:
+    - name: Install dependencies
+      run: |
+        apt-get update
+        apt-get install -y clang npm pkg-config protobuf-compiler
     - uses: actions/checkout@v3
     - uses: Twey/setup-rust-toolchain@v1
-    - name: Install Protoc
-      uses: arduino/setup-protoc@v1
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
     - name: Build example applications
       run: |
         cd examples
@@ -83,11 +83,12 @@ jobs:
         cargo test --locked --target x86_64-unknown-linux-gnu
     - name: Run Witty integration tests
       run: |
-        cargo build -p linera-witty-test-modules --target wasm32-unknown-unknown
-        cargo test -p linera-witty --features wasmer,wasmtime
+        cargo build --locked -p linera-witty-test-modules --target wasm32-unknown-unknown
+        cargo test --locked -p linera-witty --features wasmer,wasmtime
     - name: Check for outdated CLI.md
+      shell: bash
       run: |
-        if ! diff CLI.md <(cargo run --bin linera -- help-markdown)
+        if ! diff CLI.md <(./target/debug/linera help-markdown)
         then
           echo '`CLI.md` differs from the output of `linera help-markdown`'
           echo 'Run `linera help-markdown > CLI.md` to update it.'