fix: use bash shell for glob expansion on Windows

Force bash shell which properly expands *.whl glob pattern.
maturin develop requires a virtualenv which CI doesn't have.

Author: mrecachinas

.github/workflows/pythonpackage.yml

@@ -35,7 +35,10 @@ jobs:
           pip install maturin pytest pytest-benchmark
 
       - name: Build and install with maturin
-        run: maturin develop --release
+        shell: bash
+        run: |
+          maturin build --release
+          pip install target/wheels/*.whl
 
       - name: Run tests
         run: pytest -vls test/