chore(deps): bump langchain from 1.2.6 to 1.2.7 in /python/agents/software-bug-assistant in the all-dependencies group

[dependabot]

Bumps the all-dependencies group in /python/agents/software-bug-assistant with 1 update: langchain.

Updates langchain from 1.2.6 to 1.2.7

Release notes

Sourced from langchain's releases.

langchain-core==1.2.7

Changes since langchain-core==1.2.6

release: langchain-core 1.2.7 (#34678) fix: don't trace injected args only found in signature (#34670) feat(core): add more file extensions to ignore in HTML link extraction (#34552) refactor(core): improve docstrings for HTML link extraction utilities (#34550) test(core): add edge case for empty examples in LengthBasedExampleSelector (#34641) fix(core): fix strict schema generation for functions with optional args (#34599) feat(core): support custom message separator in get_buffer_string() (#34569) refactor(core): add warning for fallback GPT-2 tokenizer usage (#34621) fix(core,langchain): use get_buffer_string for message summarization (#34607) test(core): add tests for formatting utils and merge functions (#34511) fix(core): strip message IDs from cache keys using model_copy (#33915) fix(core): exclude injected args from tool schema (#34582) refactor(core): select chunk_id via ranking and remove extra allocation (#34588)

langchain==1.2.7

Changes since langchain==1.2.6

release: langchain 1.2.7 (#34854) feat: dynamic tool registration via middleware (#34842) fix(langchain): strip trailing whitespace from the summarization prompt (#34835) fix(langchain): improve grammar in SummarizationMiddleware system prompt (#34834) docs(langchain): nit (#34788) chore(deps): bump the uv group across 5 directories with 5 updates (#34785) chore(deps): bump the uv group across 8 directories with 6 updates (#34773) chore(core, langchain): add version consistency check pre-commit hooks (#34782)

Commits

• cc72a8c release: langchain 1.2.7 (#34854)
• bc86201 feat: dynamic tool registration via middleware (#34842)
• d899681 feat(core): add XML format option for get_buffer_string (#34802)
• 689ce96 docs: add missing module-level docstrings to partner integrations (#34838)
• a1df299 fix(langchain): strip trailing whitespace from the summarization prompt (#34835)
• 1d7a269 fix(langchain): improve grammar in SummarizationMiddleware system prompt (#...
• 5fa708f chore(core): relax packaging constraints (#34832)
• 6603838 chore(deps-dev): bump setuptools from 67.8.0 to 78.1.1 in /libs/core in the u...
• 9b8c211 test(fireworks): fix model name (#34819)
• a6e8c83 chore(deps): bump langgraph-checkpoint from 2.1.2 to 3.0.0 in /libs/cli in th...
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