fix: reference correct PyPI package names in provider load error messages #638

Job	Run time
server-ai-windows (3.10)	26s
server-ai-windows (3.12)	26s
server-ai-windows (3.11)	25s
server-ai-langchain-windows (3.10)	23s
server-ai-windows (3.14)	33s
server-ai-langchain-linux (3.13)	22s
server-ai-openai-linux (3.14)	27s
server-ai-windows (3.13)	24s
server-ai-langchain-windows (3.12)	32s
server-ai-langchain-windows (3.11)	32s
server-ai-linux (3.10)	20s
server-ai-openai-linux (3.13)	25s
server-ai-openai-linux (3.10)	27s
server-ai-langchain-linux (3.12)	23s
server-ai-openai-linux (3.11)	29s
server-ai-langchain-linux (3.11)	25s
server-ai-langchain-linux (3.10)	23s
server-ai-optimization-linux (3.11)	14s
server-ai-langchain-windows (3.14)	28s
server-ai-optimization-windows (3.13)	20s
server-ai-linux (3.12)	21s
server-ai-optimization-windows (3.11)	35s
server-ai-linux (3.11)	22s
server-ai-langchain-windows (3.13)	27s
server-ai-openai-windows (3.14)	32s
server-ai-optimization-linux (3.10)	17s
server-ai-optimization-windows (3.10)	20s
server-ai-optimization-linux (3.14)	11s
server-ai-linux (3.14)	22s
server-ai-optimization-windows (3.14)	22s
server-ai-openai-linux (3.12)	26s
server-ai-linux (3.13)	22s
server-ai-openai-windows (3.10)	35s
server-ai-openai-windows (3.13)	41s
server-ai-optimization-windows (3.12)	26s
server-ai-langchain-linux (3.14)	25s
server-ai-openai-windows (3.12)	25s
server-ai-optimization-linux (3.13)	11s
server-ai-openai-windows (3.11)	26s
server-ai-optimization-linux (3.12)	14s
	16m 24s

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