feat: async llm support

feat: introduce async contract to BaseLLM

feat: add async call support for:

Azure provider

Anthropic provider

OpenAI provider

Gemini provider

Bedrock provider

LiteLLM provider

chore: expand scrubbed header fields (conftest, anthropic, bedrock)

chore: update docs to cover async functionality

chore: update and harden tests to support acall; re-add uri for cassette compatibility

chore: generate missing cassette

fix: ensure acall is non-abstract and set supports_tools = true for supported Anthropic models

chore: improve Bedrock async docstring and general test robustness

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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_response_format_json.yaml

@@ -0,0 +1,104 @@
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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_response_format_none.yaml

@@ -0,0 +1,104 @@
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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_response_model.yaml

@@ -0,0 +1,104 @@
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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_system_message.yaml

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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_temperature.yaml

@@ -0,0 +1,202 @@
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lib/crewai/tests/cassettes/llms/anthropic/test_anthropic_async_with_tools.yaml

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lib/crewai/tests/cassettes/llms/azure/test_azure_async_conversation.yaml

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lib/crewai/tests/cassettes/llms/azure/test_azure_async_multiple_calls.yaml

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lib/crewai/tests/cassettes/llms/azure/test_azure_async_non_streaming.yaml

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lib/crewai/tests/cassettes/llms/azure/test_azure_async_with_max_tokens.yaml

@@ -0,0 +1,66 @@
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lib/crewai/tests/cassettes/llms/azure/test_azure_async_with_parameters.yaml

@@ -0,0 +1,68 @@
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lib/crewai/tests/cassettes/llms/azure/test_azure_async_with_system_message.yaml

@@ -0,0 +1,66 @@
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lib/crewai/tests/cassettes/llms/azure/test_azure_async_with_temperature.yaml

@@ -0,0 +1,65 @@
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lib/crewai/tests/cassettes/llms/bedrock/test_bedrock_async_basic_call.yaml

@@ -0,0 +1,42 @@
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lib/crewai/tests/cassettes/llms/bedrock/test_bedrock_async_conversation.yaml

@@ -0,0 +1,44 @@
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lib/crewai/tests/cassettes/llms/bedrock/test_bedrock_async_multiple_calls.yaml

@@ -0,0 +1,80 @@
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lib/crewai/tests/cassettes/llms/bedrock/test_bedrock_async_with_max_tokens.yaml

@@ -0,0 +1,42 @@
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lib/crewai/tests/cassettes/llms/google/test_gemini_async_with_parameters.yaml

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lib/crewai/tests/cassettes/llms/google/test_gemini_async_with_system_message.yaml

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+interactions:
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