chore(toggleButtonGroup): update missing snapshot

Author: Tigge

packages/core/src/ToggleButtonGroup/__snapshots__/index.test.tsx.snap

@@ -611,6 +611,7 @@ exports[`ToggleButtonGroup ToggleButtonGroupWithFieldExclusive 1`] = `
   -webkit-justify-content: center;
   -ms-flex-pack: center;
   justify-content: center;
+  box-sizing: border-box;
   padding: 0 8px;
   overflow: hidden;
   white-space: nowrap;