langchain-core גרסה 1.5.3

תקציר מקורי באנגלית<p>Changes since langchain-core==1.5.2</p> <p>release(core): 1.5.3 (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5020839169" data-permission-text="Title is private" data-url="https://github.com/langchain-ai/langchain/issues/39145" data-hovercard-type="pull_request" data-hovercard-url="/langchain-ai/langchain/pull/39145/hovercard" href="https://github.com/langchain-ai/langchain/pull/39145">#39145</a>)<br> fix(core): fall back to <code>LANGSMITH_API_KEY</code> for gateway (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5003608065" data-permission-text="Title is private" data-url="https://github.com/langchain-ai/langchain/issues/39115" data-hovercard-type="pull_request" data-hovercard-url="/langchain-ai/langchain/pull