fix: dotnet azure pipeline (uv sync installation) #3553

Job	Run time
pyright (./packages/autogen-core)	55s
pyright (./packages/autogen-magentic-one)	57s
pyright (./packages/agbench)	55s
format	51s
pyright (./packages/autogen-ext)	1m 11s
lint	1m 2s
pyright (./packages/autogen-agentchat)	56s
pyright (./packages/magentic-one-cli)	54s
mypy (./packages/autogen-core)	3m 42s
mypy (./packages/autogen-magentic-one)	1m 17s
mypy (./packages/agbench)	1m 5s
mypy (./packages/autogen-ext)	2m 3s
mypy (./packages/autogen-agentchat)	1m 20s
mypy (./packages/magentic-one-cli)	1m 34s
check-proto-changes-python	1m 3s
docs (./packages/autogen-core)	1m 31s
codecov (./packages/autogen-core)	1m 3s
codecov (./packages/autogen-magentic-one)	1m 51s
docs-example-check (./packages/autogen-core)	2m 46s
codecov (./packages/autogen-ext)	46m 17s
codecov (./packages/autogen-agentchat)	1m 11s
markdown-code-lint	2m 12s
test (./packages/autogen-core)	56s
samples-code-check	53s
test (./packages/autogen-magentic-one)	1m 39s
test (./packages/autogen-ext)	3m 2s
test (./packages/autogen-agentchat)	59s
	1h 24m 5s

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