feat(button): use new border radius token

Use --spectrum-corner-radius-full in the CSS.

Sets the tokens version to the latest tokens release that includes our
custom-vars override for --spectrum-corner-radius-full, that allows us
to use it with the 9999px value.

components/button/index.css

@@ -14,9 +14,7 @@ governing permissions and limitations under the License.
 
 .spectrum-Button {
   --spectrum-button-animation-duration: var(--spectrum-animation-duration-100);
-  /* @todo once corner rounding value override is in a tokens release: */
-  /* --spectrum-button-border-radius: var(--spectrum-corner-radius-full); */
-  --spectrum-button-border-radius: 9999px;
+  --spectrum-button-border-radius: var(--spectrum-corner-radius-full);
   --spectrum-button-border-width: var(--spectrum-border-width-200);
 
   --spectrum-button-focus-ring-gap: var(--spectrum-focus-indicator-gap);

components/button/package.json

@@ -17,7 +17,7 @@
   "peerDependencies": {
     "@spectrum-css/icon": ">=6",
     "@spectrum-css/progresscircle": ">=2",
-    "@spectrum-css/tokens": "^14.0.0-next.2"
+    "@spectrum-css/tokens": "^14.0.0-next.3"
   },
   "peerDependenciesMeta": {
     "@spectrum-css/icon": {