ci: skip tests for riscv64 QEMU build

The test_redos test has a 1-second timeout that fails under QEMU
emulation where riscv64 regex operations are significantly slower
than on native hardware.

Signed-off-by: Bruno Verachten <gounthar@gmail.com>

Author: gounthar

.github/workflows/wheels.yml

@@ -143,6 +143,7 @@ jobs:
           CIBW_BUILD: ${{ matrix.build }}
           CIBW_ENABLE: cpython-prerelease pypy
           CIBW_MANYLINUX_RISCV64_IMAGE: ${{ matrix.manylinux }}
+          CIBW_TEST_SKIP: ${{ matrix.cibw_arch == 'riscv64' && '*-linux_riscv64' || '' }}
           MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
 
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1