adds changeset

Author: mperrotti

.changeset/heavy-points-marry.md

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+---
+'@primer/react': major
+---
+
+![NewLabels](https://user-images.githubusercontent.com/2313998/155384037-8a56c943-4cff-4349-925b-dc28247e3491.png)
+
+The Label component has been updated to align with [Primer ViewComponents' Label component](https://primer.style/view-components/components/label). Now the React component is consistent ViewComponents and the intent of the design team.
+
+Major changes in the new Label component:
+
+- No more `medium` size - only `small` and `large`
+- Labels are outlined by default, so the `outline` prop has been removed
+- Custom text and background colors are discouraged, but still possible via the `sx` prop
+
+If you were using the `Label` component to render issue/PR labels, use the [IssueLabelToken](https://primer.style/react/Token#issuelabeltoken) component instead.
+
+<table>
+<tr>
+<th> Before </th> <th> After </th>
+</tr>
+<tr>
+<td valign="top">
+
+```jsx
+import {Label} from "@primer/react"
+
+<Label outline>default</Label>
+<Label variant="small" outline sx={{borderColor: 'danger.emphasis', color: 'danger.fg'}}>danger</Label>
+```
+
+ </td>
+<td valign="top">
+
+```jsx
+import {Label} from "@primer/react"
+
+<Label>default</Label>
+<Label size="small" variant="danger">danger</Label>
+```
+
+</td>
+</tr>
+</table>