fix python 3.11 build

spconv/core_cc/csrc/sparse/all/__init__.pyi

@@ -13,6 +13,8 @@ class SpconvOps:
         """
         ...
     @staticmethod
+    def is_cpu_only_build() -> bool: ...
+    @staticmethod
     def pccm_version() -> str: 
         """
         get pccm version when build spconv.

tools/build-wheels.sh

@@ -41,6 +41,10 @@ do
     if [ "$PYVER2" = "37" ]; then
         PYVER_CP="cp$PYVER2-cp${PYVER2}m"
     fi
+    if [[ $PYVER2 == *"311"* ]]; then
+        PYVER_CP="cp311-cp311"
+    fi
+
     "/opt/python/$PYVER_CP/bin/pip" wheel /io/  -v --no-deps -w /io/wheelhouse_tmp
 done