add scipy installation to GA

.github/workflows/rust.yml

@@ -23,6 +23,14 @@ jobs:
           toolchain: stable
           components: rustfmt, clippy
 
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-varsion: '3.x'
+
+    - name: Install SciPy
+      run: python -m pip install scipy
+
     - name: Build
       run: cargo build --verbose
     - name: Run tests