Changes since langchain-anthropic==0.3.12
anthropic[patch]: split test into two (#31167)
anthropic: release 0.3.13 (#31162)
anthropic: update streaming usage metadata (#31158)
anthropic[patch]: support web search (#31157)
anthropic[patch]: be robust to null fields when translating usage metadata (#31151)
anthropic: Allow kwargs to pass through when counting tokens (#31082)
packaging: remove Python upper bound for langchain and co libs (#31025)
anthropic[patch]: make description optional on AnthropicTool (#30935)
partners: ChatAnthropic supports urls (#30809)