langchain-openai==1.1.12

Changes since langchain-openai==1.1.11

fix(openai): bump min core version (#36180) release(openai): 1.1.12 (#36178) fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129) fix(openai): support phase parameter (#36161) fix(openai): preserve namespace field in streaming function_call chunks (#36108) ci: suppress pytest streaming output in CI (#36092) ci: avoid unnecessary dep installs in lint targets (#36046) chore(model-profiles): refresh model profile data (#36039) chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/openai (#35860) fix(openai): add type: message to Responses API input items (#35693) perf(.github): set a timeout on get min versions HTTP calls (#35851) feat(model-profiles): new fields + Makefile target (#35788) fix(openai): close PIL Image handles in token counting to prevent fd leak (#35742) fix(openai): typo (#35763) chore(model-profiles): refresh model profile data (#35754)