Update README.md

Author: truongnh1992

README.md

@@ -64,7 +64,7 @@ jobs:
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
-          GEMINI_MODEL: gemini-2.5-pro-preview-05-06 # Optional, default is `gemini-1.5-flash-002`
+          GEMINI_MODEL: gemini-2.5-pro-preview-05-06 # Optional, default is `gemini-2.0-flash-001`
           EXCLUDE: "*.md,*.txt,package-lock.json,*.yml,*.yaml"
 ```
 > if you don't set `GEMINI_MODEL`, the default model is `gemini-2.0-flash-001`. `gemini-2.0-flash-001` is a next-generation model offering speed and multimodal generation capabilities.  It's suitable for a wide variety of tasks, including code generation, data extraction, and text editing.. For the detailed information about the models, please refer to [Gemini models](https://ai.google.dev/gemini-api/docs/models/gemini).