langchain-anthropic 1.7.4

Changes since langchain-anthropic==1.7.3

chore(anthropic): fix integration test cassette (#40790) release(anthropic): 1.7.4 (#40786) fix(anthropic): add Opus 5.5 and GPT-6 profile augmentations (#40785) feat(anthropic,openai): mid-conversation tool changes on SystemMessage (#40758)