fix: switch tabIndex not work

components/switch/index.jsx

@@ -18,7 +18,7 @@ const Switch = {
     disabled: PropTypes.bool,
     checkedChildren: PropTypes.any,
     unCheckedChildren: PropTypes.any,
-    tabIndex: PropTypes.number,
+    tabIndex: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
     checked: PropTypes.bool,
     defaultChecked: PropTypes.bool,
     autoFocus: PropTypes.bool,

components/vc-switch/PropTypes.js

@@ -8,7 +8,7 @@ export const switchPropTypes = {
   // onChange: PropTypes.func,
   // onMouseUp: PropTypes.func,
   // onClick: PropTypes.func,
-  tabIndex: PropTypes.number,
+  tabIndex: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
   checked: PropTypes.bool.def(false),
   defaultChecked: PropTypes.bool.def(false),
   autoFocus: PropTypes.bool.def(false),

components/vc-switch/Switch.jsx

@@ -79,7 +79,7 @@ export default {
     },
   },
   render() {
-    const { prefixCls, disabled, loadingIcon, ...restProps } = getOptionProps(this);
+    const { prefixCls, disabled, loadingIcon, tabIndex, ...restProps } = getOptionProps(this);
     const checked = this.stateChecked;
     const switchClassName = {
       [prefixCls]: true,
@@ -99,6 +99,7 @@ export default {
         role: 'switch',
         'aria-checked': checked,
         disabled,
+        tabIndex,
       },
       class: switchClassName,
       ref: 'refSwitchNode',