Cannot compile manylinux1 libs for Python 3.10

.github/workflows/build_linux_wheels.yml

diff --git a/.github/workflows/build_linux_wheels.yml b/.github/workflows/build_linux_wheels.yml
index bf7ee5c..3c31896 100644
--- a/.github/workflows/build_linux_wheels.yml
+++ b/.github/workflows/build_linux_wheels.yml
@@ -19,6 +19,10 @@
         description: CIBW_ARCHS
         required: true
         default: auto
+      skip:
+        description: CIBW_SKIP
+        required: true
+        default: "cp27-* pp27-*"
 
 jobs:
   build_wheels:
@@ -53,7 +57,7 @@
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         env:
-          CIBW_SKIP: "cp27-* pp27-*"  # skip Python 2.7 wheels
+          CIBW_SKIP: "${{ github.event.inputs.skip }}"  # skip Python 2.7 wheels
           CIBW_MANYLINUX_X86_64_IMAGE: ${{ github.event.inputs.manylinux }}
           CIBW_MANYLINUX_I686_IMAGE: ${{ github.event.inputs.manylinux }}
           CIBW_ARCHS: ${{ github.event.inputs.archs }}