langchain langchain==1.3.7

Changes since langchain-model-profiles==0.0.5 release(model-profiles): 0.0.6 (#38057) feat(standard-tests): validate tool call chunks during streaming (#34707) hotfix(core): bump lockfile(s) (#38032) release(langchain): 1.3.7 (#38024) release(langchain): 1.3.6 (#38001) release(langchain): 1.3.5 (#37998) hotfix(openai): min core dep (#37990) chore: bump idna from 3.11 to 3.15 in /libs/model-profiles (#37538) chore: bump the minor-and-patch group across 3 directories with 15 updates (#37515) ci(infra): harden Dependabot version-bound preservation (#37510) hotfix: bump lockfiles (#37508) chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/model-profiles (#37382) chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/model-profiles (#37325) chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/model-profiles (#37254) chore: bump types-toml from 0.10.8.20240310 to 0.10.8.20260408 in /libs/model-profiles (#37124) release(fireworks): 1.2.1 (#37113) release(perplexity): 1.2.0 (#37091) chore(docs): update x handle references (#37081) fix(anthropic): restore on non-direct subclasses (#37057) release(openai): 1.2.1 (#36995) feat(core): add content-block-centric streaming (v2) (#36834) fix(fireworks): honor (#36973) release(openai): 1.2.0 (#36961) chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/model-profiles (#36798) chore(deps): bump pytest…