langchain langchain-core==1.4.8

Changes since langchain==1.3.9 release(langchain): 1.3.10 (#38255) chore: bump cryptography from 46.0.7 to 48.0.1 in /libs/langchain_v1 (#38176) chore: bump aiohttp from 3.14.0 to 3.14.1 in /libs/langchain_v1 (#38179) fix(langchain): switch summary format (#38171) fix(langchain): detect provider strategy for dated / snapshots (#38222) chore(langchain): improve typing in tests (#38163) chore: bump pyjwt from 2.12.0 to 2.13.0 in /libs/langchain_v1 (#38168) release(openai): 1.3.2 (#38130) hotfix(openai): switch version (#38123) release(openai): 1.4.0 (#38120) docs: refresh installation and resources (#38119) test(core,langchain): update tests for explicit deserialization allowlists (#38118) release(core): 1.4.7 (#38111) release(anthropic): 1.4.6 (#38105)