dotnet-1.71.0

Changes:

• 91f7956 .Net: Bumping - Version
  1.71.0 (#13552)
• 1b8b08b Remove unused workflow (#13545)
• c6f07d6 .Net: Implement SQL Server hybrid search (#13512) [ #11080 ]
• e8b4862 .Net: [MEVD] Map DateTime to timestamptz on PostgreSQL (#13514) [ #10641
  ]
• 7a74a26 .Net: Update DirectoryObjects.yml URL from dev to main branch (#13526)
• c4d0a62 .Net: Update Microsoft.SemanticKernel packages from
  1.68.0 to 1.70.0 (#13524) [ #13523 ]
• b0d621f .Net: Implement PostgreSQL hybrid search (#13502) [ #13501, #11084,
  #10359 ]
• 7d7a649 .Net: [MEVD] Implement support for score threshold (#13501) [ #9566 ]
• cbb1f21 .Net: [MEVD] Introduce FilterTranslatorBase and remove duplication
  (#13485)
• a3be1fd Bump actions/setup-dotnet from 4 to 5 (#13137)
• 8f301a1 Bump mdast-util-to-hast from
  13.2.0 to 13.2.1 in /dotnet/samples/Demos/ProcessWithCloudEvents/ProcessWithCloudEvents.Client (#13409)
• 33e5882 .Net: Bump form-data from
  4.0.2 to 4.0.4 in /dotnet/samples/Demos/ProcessFrameworkWithSignalR (#12979)
• 1b9d5f1 Bump vite from
  6.2.7 to 6.4.1 in
  /dotnet/samples/Demos/ProcessFrameworkWithSignalR/src/ProcessFramework.Aspire.SignalR.ReactFrontend (#13388)
• d3ac002 .Net: Remove old MEVD integration tests (#13484)
• af0761c .Net: Adding copilot cli to the codespace definition (#13479)
• 7918395 .Net: [MEVD] Implement key auto-generation (#13466) [ #11485 ]
• fe11ab6 .Net: [MEVD] Support .Any(x => x.Contains(...)) in filters (#13471) [
  #13470, #13152 ]
• 5794549 .Net: [MEVD] Ensure identifiers are properly quoted (#13470) [ #12161 ]
• b0a185b .Net: ItCanReturnImageUrlAsync test is flakey so skipping (#13472)
• 3ce1a84 .Net: Use testcontainer for SQL Server 2025 (#13465)
• 4e055e8 .Net: Add agentic tool registration guide to SK -> AF migration.
  (#13464)