Add error handling for package updates in workflow (#8390)

Author: joperezr

.github/workflows/update-dependencies.yml

@@ -31,7 +31,8 @@ jobs:
         run: dotnet tool install --global dotnet-outdated-tool
 
       - name: Update packages
-        run: dotnet outdated --no-restore -u ./Aspire.sln
+        continue-on-error: true
+        run: dotnet outdated --no-restore -u ./Aspire.sln || echo "Some dependencies could not be updated, but continuing workflow."
 
       - name: Revert all changes except Directory.Packages.props files
         run: |