Fix: Invalid skip selector: 'pp39-*'

Author: hugovk

.github/workflows/wheels.yml

@@ -110,7 +110,6 @@ jobs:
           CIBW_MANYLINUX_PYPY_AARCH64_IMAGE: ${{ matrix.manylinux }}
           CIBW_MANYLINUX_PYPY_X86_64_IMAGE: ${{ matrix.manylinux }}
           CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux }}
-          CIBW_SKIP: pp39-*
           MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
 
       - uses: actions/upload-artifact@v4
@@ -188,7 +187,6 @@ jobs:
           CIBW_BEFORE_ALL: "{package}\\winbuild\\build\\build_dep_all.cmd"
           CIBW_CACHE_PATH: "C:\\cibw"
           CIBW_ENABLE: cpython-prerelease cpython-freethreading pypy
-          CIBW_SKIP: pp39-*
           CIBW_TEST_SKIP: "*-win_arm64"
           CIBW_TEST_COMMAND: 'docker run --rm
             -v {project}:C:\pillow