Explicitly specify python in mac uv build invocation (#13447)

* Explicitly specify python in mac uv build invocation

* Explicitly specify --python in a few more spots

* try a different way

Author: ngoldbaum

.github/workflows/wheel-builder.yml

@@ -290,13 +290,13 @@ jobs:
 
           OPENSSL_DIR="$(readlink -f ../openssl-macos-universal2/)" \
               OPENSSL_STATIC=1 \
-              uv build --wheel --require-hashes --build-constraint=$BUILD_REQUIREMENTS_PATH $PY_LIMITED_API cryptography*.tar.gz -o wheelhouse/
+              uv build --python='${{ matrix.PYTHON.BIN_PATH }}' --wheel --require-hashes --build-constraint=$BUILD_REQUIREMENTS_PATH $PY_LIMITED_API cryptography*.tar.gz -o wheelhouse/
         env:
           MACOSX_DEPLOYMENT_TARGET: ${{ matrix.PYTHON.DEPLOYMENT_TARGET }}
           ARCHFLAGS: ${{ matrix.PYTHON.ARCHFLAGS }}
           _PYTHON_HOST_PLATFORM: ${{ matrix.PYTHON._PYTHON_HOST_PLATFORM }}
 
-      - run: uv venv
+      - run: uv venv --python='${{ matrix.PYTHON.BIN_PATH }}'
       - run: uv pip install --require-hashes -r $BUILD_REQUIREMENTS_PATH
       - run: uv pip install cryptography --no-index -f wheelhouse/
       - name: Show the wheel's minimum macOS SDK and architectures