chore: update preview qr code

Author: lukewalczak

.github/workflows/publish-each-pr.yml

@@ -64,11 +64,11 @@ jobs:
             const { sdkVersion } = config;
             const { projectId } = config.extra.eas;
 
-            const channel = 'pr-${{ github.event.number }}';
+            const branchId = ${{ github.ref_name }}
 
             const url = `https://expo.dev/@react-native-paper/react-native-paper-example?serviceType=eas&distribution=expo-go&scheme=exp+react-native-paper-example&channel=${channel}&sdkVersion=${sdkVersion}`;
             const body = `The mobile version of example app from this branch is ready! You can [see it here.](${url})
-            <a href="${url}"><img src="https://qr.expo.dev/eas-update?appScheme=exp&projectId=${projectId}&channel=${channel}&runtimeVersion=exposdk:${sdkVersion}&host=u.expo.dev" height="200px" width="200px"></a>
+            <a href="${url}"><img src="https://qr.expo.dev/eas-update?projectId=${projectId}&runtimeVersion=exposdk:${sdkVersion}&branchId=${branchId}" height="200px" width="200px"></a>
             `;
 
             const comments = await github.rest.issues.listComments({