Update all actions to v4"

Author: Opt-Mucca

.github/workflows/build_wheels.yml

@@ -47,6 +47,7 @@ jobs:
           CIBW_TEST_REQUIRES: pytest
           CIBW_TEST_COMMAND: "pytest {project}/tests"
           CIBW_MANYLINUX_*_IMAGE: manylinux_2_28
+          MACOSX_DEPLOYMENT_TARGET: ${{ matrix.architecture == 'x86_64' && '13.0' || '14.0' }}
 
       - uses: actions/upload-artifact@v3
         with:
@@ -56,13 +57,13 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build sdist
         shell: bash -l {0}
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           path: dist/*.tar.gz