ci: Updated to use 9.0.x dotnet. #309

Job	Run time
test-cli (ai21.json)	1m 1s
test-cli (anthropic.yaml)	52s
test-cli (assemblyai.yaml)	1m 1s
test-cli (cohere.yaml)	1m 5s
test-cli (huggingface.yaml)	47s
test-cli (ipinfo.yaml)	58s
test-cli (langsmith.json)	1m 4s
test-cli (leonardo.yaml)	1m 5s
test-cli (mystic.yaml)	1m 3s
test-cli (ollama.yaml)	52s
test-cli (openai.yaml)	1m 3s
test-cli (petstore.yaml)	56s
test-cli (replicate.json)	1s
test-cli (special-cases.yaml)	1s
test-cli (together.yaml)	1s
test-cli (heygen.yaml)	1m 4s
test-cli (instill.yaml)	1m 3s
test-cli (ideogram.yaml)	1m 3s
test-cli (google-gemini.yaml)	57s
test-cli (vectara.yaml)	1s
test-cli (mistral.yaml)	1m 2s
test-cli (elevenlabs.json)	1m 4s
test-cli (jina.json)	55s
test-cli (recraft.yaml)	57s
Publish / Build, test and publish	3m 34s
Release	0s
	23m 30s

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