🐛 fix small table header border issue

close #20030
close #18762

components/table/style/size.less

@@ -147,7 +147,7 @@
       border-left: 0;
     }
 
-    .@{table-prefix-cls}-thead > tr:only-child > th:last-child,
+    .@{table-prefix-cls}-thead > tr > th.@{table-prefix-cls}-row-cell-last,
     .@{table-prefix-cls}-tbody > tr > td:last-child {
       border-right: none;
     }

package.json

@@ -127,7 +127,7 @@
     "rc-slider": "~8.7.1",
     "rc-steps": "~3.5.0",
     "rc-switch": "~1.9.0",
-    "rc-table": "~6.9.4",
+    "rc-table": "~6.10.4",
     "rc-tabs": "~9.7.0",
     "rc-time-picker": "~3.7.1",
     "rc-tooltip": "~3.7.3",