ci: add Python 3.12 wheels (#1153)

- Linux/macOS use cibuildwheel so they already picked up 3.12.
- We skip testing on 3.12 since PyArrow wheels are not available.
- Upgrade the Go version in Windows CI to avoid a build error.

Fixes #1088.
Fixes #1116.

.github/workflows/packaging.yml

@@ -675,7 +675,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.9", "3.10", "3.11"]
+        python_version: ["3.9", "3.10", "3.11", "3.12"]
     env:
       PYTHON_VERSION: "${{ matrix.python_version }}"
       # Where to install vcpkg
@@ -727,9 +727,11 @@ jobs:
           .\bootstrap-vcpkg.bat -disableMetrics
           popd
 
+      # Windows needs newer Go than 1.19
+      # https://github.com/golang/go/issues/51007
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.19.13
+          go-version: 1.20.8
           check-latest: true
           cache: true
           cache-dependency-path: adbc/go/adbc/go.sum
@@ -763,6 +765,8 @@ jobs:
 
       - name: Test wheel
         shell: cmd
+        # PyArrow wheels not yet available
+        if: matrix.python_version != "3.12"
         run: |
           pushd adbc
           where python.exe