Add libunshield to the CI, make sure to enable all features when building

.github/workflows/main.yml

@@ -23,12 +23,26 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - uses: actions/cache@v4
+      with:
+        path: |
+          ~/.cargo/bin/
+          ~/.cargo/registry/index/
+          ~/.cargo/registry/cache/
+          ~/.cargo/git/db/
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install \
+          libunshield-dev \
     - name: Build
-      run: cargo build --verbose
+      run: cargo build --all-features --verbose
     - name: Run tests
-      run: cargo test --verbose
+      run: cargo test --all-features --verbose
     - name: Run clippy
-      run: cargo clippy
+      run: cargo clippy --all-features
     - name: Run deny-check
       run: |
         cargo install --locked cargo-deny