Python: Update anthropic_settings url path (#8689)

### Motivation and Context

While developing,i found that the Documentation in the Settings Class of
Antropic is pointing to Mistral.

### Contribution Checklist

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- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
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raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

Co-authored-by: Evan Mattson <35585003+moonbox3@users.noreply.github.com>
Co-authored-by: Tao Chen <taochen@microsoft.com>

python/semantic_kernel/connectors/ai/anthropic/settings/anthropic_settings.py

@@ -16,9 +16,9 @@ class AnthropicSettings(KernelBaseSettings):
     however, validation will fail alerting that the settings are missing.
 
     Optional settings for prefix 'ANTHROPIC_' are:
-    - api_key: ANTHROPIC API key, see https://console.mistral.ai/api-keys
+    - api_key: ANTHROPIC API key, see https://console.anthropic.com/settings/keys
         (Env var ANTHROPIC_API_KEY)
-    - chat_model_id: The Anthropic chat model ID to use see https://docs.mistral.ai/getting-started/models/.
+    - chat_model_id: The Anthropic chat model ID to use see https://docs.anthropic.com/en/docs/about-claude/models.
         (Env var ANTHROPIC_CHAT_MODEL_ID)
     - env_file_path: if provided, the .env settings are read from this file path location
     """