Changes since langchain-anthropic==1.6.1
release(anthropic): 1.7.0 (#39963)
feat(anthropic): support top-level param for skills via container; updates thinking display mode (#39962)
feat(anthropic): support 1.0 sdk (#39938)
fix(anthropic): auto-append advisor-tool-2026-03-01 beta header for advisor_20260301 tool (#39917)
feat(anthropic): surface gateway response metadata (#39809)