chore: update Dify version to 0.8.1

[laipz8200]

✨ What’s New in v0.8.1? ✨

Hello Dify Community! 🎉 We're excited to announce the release of v0.8.1, packed with enhancements, new features, and important bug fixes to elevate your experience. Let's explore what's new:

🚀 Key Features

• ✨ OpenAI o1-Series Models Support
  Unlock the power of OpenAI's cutting-edge models with support for both o1-preview and o1-mini. These additions provide you with more flexibility and enhanced AI capabilities to meet your diverse needs.
  Special thanks to @takatost for implementing this feature in feat: add OpenAI o1 series models support #8328.

🛠️ Improvements & Bug Fixes

Workflow Enhancements

• Multi-Parallel Execution Fixed
  Resolved issues with workflows executing multiple parallel branches and conditional paths seamlessly.
  Credit to @takatost for fix(workflow): in multi-parallel execution with multiple conditional branches #8221.

• Accurate Branch Outputs
  Fixed simultaneous output problems in different branches of the question classifier node for more reliable results.
  Thanks to @takatost in fix(workflow): answers are output simultaneously across different braches in the question classifier node. #8225.

• IF-ELSE Node Stability
  Addressed execution halts when IF-ELSE nodes connect to the same subsequent node, ensuring consistent workflow execution.
  Handled by @takatost in fix(workflow): IF-ELSE nodes connected to the same subsequent node cause execution to stop #8247.

• Complete Data Flow in Answer Nodes
  Fixed missing content in answer node stream outputs during iterations, guaranteeing comprehensive data flow.
  Another great fix by @takatost in fix(workflow): missing content in the answer node stream output during iterations #8292.

• Stream Chunk/Message Event Selector
  Take greater control over your data streams with the new from_variable_selector. This feature allows for more precise management of stream chunk and message events, ensuring smoother data flow.
  Implemented by @takatost in feat: add from_variable_selector for stream chunk / message event #8228.

Ollama Embedding Model

• Error Resolutions
  Squashed bugs related to adding the Ollama embedding model, including pesky 500 errors, for a smoother integration experience.
  Thanks to @Howe829 in fix:error when adding the ollama embedding model #8236 and fix:ollama text embedding 500 error #8252.

UI & Usability Enhancements

• Improved Icon Alignment
  Corrected the misalignment of the upload image icon in the chat input area for a cleaner interface.
  Implemented by @hjlarry in fix: upload img icon mis-align in the chat input area #8263.

• Enhanced Markdown Readability
  Adjusted markdown paragraph margins to enhance readability and overall user experience.
  Courtesy of @zxhlyh in fix: markdown paragraph margin #8289.

• Copy Shortcut Fixes
  Resolved issues with copy shortcuts in the workflow debug and preview panels for smoother navigation.
  Thanks to @Kevin9703 in fix(workflow/hooks/use-shortcuts): resolve issue of copy shortcut not working in workflow debug and preview panel #8249.

Miscellaneous Fixes

• Localized Translations
  Enhanced regionalization of translations to provide a more localized and user-friendly experience.
  Contributed by @thalessalazar in fix: improving the regionalization of translation #8231.

• Value Handling & Label Issues
  Fixed truthy value handling and response format label issues for better data consistency.
  Thanks to @ZuzooVn in fix: truthy value #8208 and fix: response_format label #8326.

• VariableEntityType Bug
  Resolved naming convention inconsistencies by fixing the VariableEntityType bug.
  Handled by @GuoNingNing in Fix VariableEntityType Bug external-data-tool -> external_data_tool #8299.

🌟 Other Enhancements

• Bedrock Improvements

  • Claude Models Support
    Claude models in Bedrock now support the response_format parameter, providing more customization options.
    Thanks to @badbye in let claude models in bedrock support the response_format parameter #8220.

  • Cross-Region Inference
    Added support for Bedrock cross-region inference, enhancing deployment flexibility across different regions.
    Implemented by @ybalbert001 in Fix: Support Bedrock cross region inference [#8190](https://github.com/langgenius/dify/issues/8190) #8317.

• API Key Creation for Editors
  Editors can now create API keys directly, streamlining the development workflow and enhancing security.
  Thanks to @cuckootan in editor can also create api key #8214.

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Thank you to everyone who contributed to v0.8.1! 🙌 Your feedback and support help us build something truly awesome. Keep the suggestions coming, and let's continue to innovate together! 🚀

Stay tuned for more updates and happy coding! 💻✨