fix: pin Python 3.12 interpreter for maturin builds

--find-interpreter picks up Python 3.14 on CI runners which
pyo3 0.23 doesn't support. Use explicit -i python3.12 instead.

Author: semihalev

.github/workflows/ci.yml

@@ -52,7 +52,7 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.target }}
-          args: --release --out dist --find-interpreter
+          args: --release --out dist -i python3.12
           manylinux: auto
 
       - name: Upload wheels

.github/workflows/publish.yml

@@ -49,7 +49,7 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.target }}
-          args: --release --out dist --find-interpreter
+          args: --release --out dist -i python3.12
           manylinux: auto
 
       - name: Upload wheels