dotnet-1.21.0

Changes:

• 1c72a26 .Net: Bump to version 1.21.0 (#8984)
• 4fc78a9 .Net: Feature Processes (#8970)
• 925fcf4 Python: Update sentence-transformers requirement from ~=2.2 to >=2.2,<4.0 in /python (#8382) [ #2717, #2718, #2711, #2710, #2713, #2714, #2728, #2700, #1894, #2701, #2719, #2722, ab/sentence-transformers#2686, ab/sentence-transformers#2690, ab/sentence-transformers#2701, ab/sentence-transformers#2700, ab/sentence-transformers#2709, ab/sentence-transformers#2711, #2727, #2726, #2724 ]
• 202c0a5 .Net: Sample showing how to use function calling to retrieve relevant information (#8968) [ #8074 ]
• c7b22d9 Fixed broken links in repo (#8982)
• c00840b .Net: Implemented generic data model support for Azure CosmosDB MongoDB connector (#8967)
• 36af86c .Net: Bump Microsoft.ML.OnnxRuntimeGenAI.Cuda from 0.3.0 to 0.4.0 in /dotnet (#8828) [ #801, #790, #791, #783, #779, #769, #768, #762, #767, #758, #765 ]
• 0b5c769 .Net: Share generic data model validations and use everywhere. (#8923)
• a5570b1 .Net Agents - Support Prompt Template (#8631)

See More

• 8924bdc .Net: Fix function calling integration tests (#8948)
• be90d23 .Net: Update OpenAI / AzureOpenAI Concepts (#8919) [ #7007 ]
• 8e25752 .Net: Create sample showing how to render ChatHistory to a prompt and invoke it (#8899) [ #8861 ]
• 05d99d6 .Net Agents - Update KernelFunction Based Strategies for AgentGroupChat (#8913)
• 6bba2b6 .Net Agents - Make messages parameter optional for OpenAIAssistantAgent.InvokeStreamingAsync (#8915)
• 33f8e9b .Net: Switch redis hashset vectorstore prefix default to true (#8911)
• 0ae0e52 .Net: Add Examples to retrieve FinishReason/DoneReason and other details with the Ollama connector (#8889)
• fbdd6bc .Net: Support polymorphic serialization of ChatMessageContent class and its derivatives (#8901)
• cc4a497 .Net: Update integration tests to use AzureCliCredential (#8905)