Use caching to run tests and report coverage #3591

Job	Run time
lint	50s
format	50s
mypy (./packages/autogen-core)	2m 25s
check-proto-changes-python	1m 10s
pyright (./packages/autogen-core)	1m 12s
mypy (./packages/autogen-magentic-one)	1m 27s
pyright (./packages/autogen-magentic-one)	1m 30s
pyright (./packages/agbench)	52s
docs (./packages/autogen-core)	1m 40s
pyright (./packages/autogen-ext)	1m 8s
mypy (./packages/agbench)	1m 7s
pyright (./packages/autogen-agentchat)	1m 5s
mypy (./packages/autogen-ext)	2m 16s
pyright (./packages/magentic-one-cli)	1m 4s
docs-example-check (./packages/autogen-core)	3m 2s
mypy (./packages/autogen-agentchat)	1m 18s
mypy (./packages/magentic-one-cli)	1m 22s
markdown-code-lint	2m 3s
samples-code-check	56s
test (./packages/autogen-core)	1m 3s
test (./packages/autogen-magentic-one)	2m 5s
test (./packages/autogen-ext)	3m 44s
test (./packages/autogen-agentchat)	1m 0s
codecov (./packages/autogen-core)	9s
codecov (./packages/autogen-magentic-one)	7s
codecov (./packages/autogen-ext)	8s
codecov (./packages/autogen-agentchat)	8s
	35m 41s

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