Code security scan

Workflow runs for Code security scan

• Bump MessagePack from 2.5.187 to 2.5.301

  completed successfully:
  Code security scan#37:Pull request#3openedbydependabot[bot]Bot
  dependabot/nuget/PackDB.Core/MessagePack-2.5.301

  Jun 11, 20261m 43s
  More actions for workflow run 37