chore(deps): bump langchain-core from 1.2.4 to 1.2.5 in /samples/migrations

[dependabot]

Bumps langchain-core from 1.2.4 to 1.2.5.

Release notes

Sourced from langchain-core's releases.

langchain-core==1.2.5

Changes since langchain-core==1.2.4

release(core): 1.2.5 (#34456) fix(core): serialization patch (#34455) fix(core): RunnablePick method return types (#34208) fix(core): preserve Field(description=...) in @tool decorator (#34354) fix(core): populate default args from tool's args_schema (#34399) fix(core): use tool_calls instead of deprecated function_call in get_buffer_string (#34355) feat(core): add PEP 702 __deprecated__ attribute support to @deprecated (#34257) fix(core): ensure tool_call_count is never null (#34431) feat(core): automatically count and store meta for tool call count (#33756) feat(core): add 'approximate' alias in place of count_tokens_approximately (#33045) chore(core): fix some ruff preview rules (#34425)

Commits

• 2e0bed6 release(core): 1.2.5 (#34456)
• 5ec0fa6 fix(core): serialization patch (#34455)
• 6a416c6 style(langchain): add ruff rules PT (#34434)
• 3dcafac feat(langchain): enhance init_chat_model with improved validation (#34226)
• d3e9c4d fix(core): RunnablePick method return types (#34208)
• 1cc4dc7 fix(core): preserve Field(description=...) in @tool decorator (#34354)
• 398c067 fix(core): populate default args from tool's args_schema (#34399)
• d84eef6 fix(core): use tool_calls instead of deprecated function_call in get_buffer_s...
• 8d93720 fix(fireworks): models used in tests & naming schema (#34125)
• 85c401f feat(core): add PEP 702 __deprecated__ attribute support to @deprecated (...
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[dpebot]

/gcbrun

[dependabot]

Looks like langchain-core is up-to-date now, so this is no longer needed.