Install rust, cargo and poetry since Pydantic v2 seems to require them

when building wheels on some platforms...

.github/workflows/ci_build_wheels.yml

@@ -83,11 +83,16 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Install rust and cargo (needed by Pydantic v2)
+        run: |
+          apt install rust cargo
+
       - name: Install cibuildwheel
         run: |
           python -m pip install -U pip
           python -m pip install -U setuptools wheel
           python -m pip install -U cibuildwheel
+          python -m pip install -U poetry
 
       # See pyproject.toml (under python/) for cibuildwheel configuration
       - name: Build wheels