Update to 1.3.5 (prompt cache breakpoints, cache_creation token counts, GPT-5.6 profiles). Requires openai>=2.45.0 — coordinated with python-openai 2.45.0 (devel SR 1364976); needs openai 2.45.0 in Factory to resolve. OBS-URL: https://build.opensuse.org/request/show/1364983 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/python-langchain-openai?expand=0&rev=3