Update version to 0.4.1 #3414

Job	Run time
lint	23s
format	24s
mypy (./packages/autogen-core)	19s
pyright (./packages/autogen-core)	17s
mypy (./packages/autogen-magentic-one)	18s
pyright (./packages/autogen-magentic-one)	16s
mypy (./packages/agbench)	24s
pyright (./packages/agbench)	19s
mypy (./packages/autogen-ext)	23s
pyright (./packages/autogen-ext)	17s
pyright (./packages/autogen-agentchat)	18s
check-proto-changes-python	42s
mypy (./packages/autogen-agentchat)	17s
pyright (./packages/magentic-one-cli)	17s
mypy (./packages/magentic-one-cli)	24s
codecov (./packages/autogen-core)	25s
docs (./packages/autogen-core)	15s
docs-example-check (./packages/autogen-core)	16s
codecov (./packages/autogen-magentic-one)	17s
codecov (./packages/autogen-ext)	16s
codecov (./packages/autogen-agentchat)	17s
markdown-code-lint	17s
samples-code-check	17s
test (./packages/autogen-core)	20s
test (./packages/autogen-magentic-one)	15s
test (./packages/autogen-ext)	16s
test (./packages/autogen-agentchat)	25s
	8m 54s

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