Jupyter Code Executor in v0.4 (alternative implementation) #3519

Job	Run time
format	25s
lint	18s
mypy (./packages/autogen-core)	25s
mypy (./packages/autogen-magentic-one)	17s
pyright (./packages/autogen-core)	25s
mypy (./packages/agbench)	26s
pyright (./packages/autogen-magentic-one)	30s
pyright (./packages/agbench)	18s
pyright (./packages/autogen-ext)	27s
mypy (./packages/autogen-ext)	17s
pyright (./packages/autogen-agentchat)	17s
mypy (./packages/autogen-agentchat)	25s
pyright (./packages/magentic-one-cli)	18s
mypy (./packages/magentic-one-cli)	25s
check-proto-changes-python	29s
codecov (./packages/autogen-core)	17s
docs (./packages/autogen-core)	17s
docs-example-check (./packages/autogen-core)	15s
codecov (./packages/autogen-magentic-one)	16s
markdown-code-lint	17s
codecov (./packages/autogen-ext)	26s
codecov (./packages/autogen-agentchat)	26s
samples-code-check	16s
test (./packages/autogen-core)	17s
test (./packages/autogen-magentic-one)	18s
test (./packages/autogen-ext)	16s
test (./packages/autogen-agentchat)	18s
	9m 21s

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