style: `Segmented` supports rtl styles (#35188)

components/segmented/style/index.less

@@ -114,3 +114,5 @@
     will-change: transform, width;
   }
 }
+
+@import './rtl';

components/segmented/style/rtl.less

@@ -0,0 +1,15 @@
+@import '../../style/themes/index';
+@import '../../style/mixins/index';
+
+@segmented-prefix-cls: ~'@{ant-prefix}-segmented';
+
+.@{segmented-prefix-cls} {
+  &&-rtl {
+    direction: rtl;
+  }
+
+  &&-rtl &-item-icon {
+    margin-right: 0;
+    margin-left: 6px;
+  }
+}