fix: reference correct PyPI package names in provider load error messages #640

Job	Run time
server-ai-langchain-windows (3.10)	27s
server-ai-windows (3.14)	40s
server-ai-openai-linux (3.11)	27s
server-ai-windows (3.11)	26s
server-ai-openai-linux (3.13)	26s
server-ai-linux (3.12)	20s
server-ai-openai-linux (3.12)	31s
server-ai-windows (3.12)	22s
server-ai-langchain-windows (3.14)	26s
server-ai-langchain-windows (3.11)	23s
server-ai-openai-windows (3.14)	29s
server-ai-langchain-windows (3.12)	25s
server-ai-openai-linux (3.14)	31s
server-ai-openai-windows (3.12)	32s
server-ai-linux (3.10)	17s
server-ai-openai-linux (3.10)	31s
server-ai-langchain-linux (3.13)	23s
server-ai-windows (3.10)	36s
server-ai-openai-windows (3.13)	31s
server-ai-langchain-linux (3.10)	24s
server-ai-langchain-linux (3.11)	21s
server-ai-openai-windows (3.10)	27s
server-ai-optimization-linux (3.13)	13s
server-ai-linux (3.13)	17s
server-ai-optimization-linux (3.12)	10s
server-ai-windows (3.13)	22s
server-ai-langchain-linux (3.12)	22s
server-ai-optimization-linux (3.10)	11s
server-ai-langchain-linux (3.14)	25s
server-ai-linux (3.14)	18s
server-ai-linux (3.11)	20s
server-ai-optimization-linux (3.11)	16s
server-ai-optimization-windows (3.12)	22s
server-ai-optimization-windows (3.13)	31s
server-ai-langchain-windows (3.13)	25s
server-ai-openai-windows (3.11)	25s
server-ai-optimization-windows (3.10)	27s
server-ai-optimization-linux (3.14)	15s
server-ai-optimization-windows (3.11)	36s
server-ai-optimization-windows (3.14)	26s
	16m 16s

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