Bump peter-evans/create-pull-request from 7 to 8 (CommunityToolkit#3003)

Author: dependabot[bot]

.github/workflows/dotnet-format-daily.yml

@@ -31,7 +31,7 @@ jobs:
           git commit -a -m 'Automated dotnet-format update'
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@v8
         with:
           title: '[housekeeping] Automated PR to fix formatting errors'
           body: |